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pacemakersplural of pacemakerpachulosisArchaic form of pachylosis.pachydermsplural of pachydermpachylosis(medicine) A hypertrophic skin disorder characterised by rough, dry, thickened skin.packhorsesplural of packhorsepactitious(obsolete) Settled by a pact or treaty; relating to pacts or treaties.paddednessThe quality of being padded.paddlelessWithout a paddle.pademelonsplural of pademelonpaederastsplural of paederastpaederosis(rare) Alternative form of pederosis.paedeuticsAlternative form of paideutics.pagodalessWithout a pagoda.paideutics(dated) The science or art of teaching.paillassesplural of paillassepaillettesplural of paillettepaintballsplural of paintballpainteressAlternative form of paintress.paintinessQuality of being painty.paintworksplural of paintworkpairednessThe quality of being paired.pajamalessWithout pajamas.palankeensplural of palankeenpalanquinsplural of palanquinpalatelessWithout a palate.palaverousVerbose; wordy.paleaceous(archaic, botany) chaffy; resembling or consisting of paleae, or chaffpaleofecesAncient human feces, often found as part of archeological excavations or surveys.paleolithsplural of paleolithpaleovirus(virology) An ancient virus.palladious(chemistry) Of, pertaining to, or containing palladium; used specifically to designate those compounds in which palladium has a lower valence compared with palladic compounds.palladiumsplural of palladiumpallasitesplural of pallasitepalletisesthird-person singular simple present indicative of palletisepalliassesplural of palliassepalliatorsplural of palliatorpallidnessThe characteristic of being pallid.palmaceous(botany, dated) Of or pertaining to palms; of the nature of, or resembling, palms.palmationsplural of palmationpalmettoesplural of palmettopalmipedesplural of palmipedepalmitatesplural of palmitatepalpationsplural of palpationpalpitatesthird-person singular simple present indicative of palpitatepalsgravesplural of palsgravepaltrinessThe characteristic of being paltry.paludinousPaludinal: characteristic of or relating to marsh, swamp or fen.palustrousSynonym of palustral.pampelmoes(now chiefly South Africa) Synonym of pomelo, as both a large fruit of Southeast Asia and as a catchall term for other related fruit such as the grapefruit.pamphagousomnivorous; eating all kinds of thingspanatellasplural of panatellapanchayatsplural of panchayatpancolitisA very severe form of ulcerative colitis that spreads throughout the large intestine from cecum to rectum.pancreasesplural of pancreaspancurious(sexology) Exhibiting a state of uncertainty about one's pansexual or panromantic status.pancytosis(medicine) The state of having increased concentrations of all three cell lines in the blood, i.e. concurrent polycythemia, leukocytosis and thrombocytosis.pandanusesplural of pandanuspandowdiesplural of pandowdypanegyricsplural of panegyricpanellingsplural of panellingpanellistsplural of panellistpanettonesplural of panettonepangenesisA mechanism for heredity proposed by Charles Darwin by which the cells of the body shed "gemmules" which collect in the reproductive organs prior to fertilization.panhandlesplural of panhandlepanicgrassAny of several of the species of grass in the genus Panicum.panidrosis(medicine, obsolete) Sweating occurring over the entire bodypanivorous(formal) Eating bread.panniculus(anatomy) A dense layer of fatty tissue growth, consisting of subcutaneous fat in the lower abdominal area.pansexualsplural of pansexualpantalonesplural of pantalonepantaloonsAn article of clothing covering each leg separately, that covers the area from the waist to the ankle.pantheistsplural of pantheistpantheressA female panther.pantielessNot wearing panties.pantomimesplural of pantomimepantomimus(historical) A male pantomime performer in Ancient Rome.pantrylessWithout a pantry.panuveitisinflammation of all the layers of the uveapanzootics(pathology) The study of panzootic diseasepapaverousOf, pertaining to, or characteristic of the poppy.paperbacksplural of paperbackpaperclipsplural of paperclippapergirlsplural of papergirlpaperinessThe property of being papery.papermillsplural of papermillpaperworksA factory that produces paper.papeteriesplural of papeteriepapillitis(medicine) inflammation of the optic discpapillomasplural of papillomaparabiosisThe fusion of two embryos to form conjoined twinsparablastsplural of parablastparachutesplural of parachuteparacoccusAny bacterium of the genus Paracoccus.paracosmos(rare) The realm of imagination; an imaginary world.paracyesisSynonym of ectopic pregnancy.paradelessNot having a parade.paradoxersplural of paradoxerparaenesisAdvice or exhortation, particularly of a moral or religious nature.paraflexus(dentistry) A flexus in front of the paracone.parageusisAlternative form of parageusia.paragneiss(geology) A gneiss derived from a sedimentary rock.paragraphsplural of paragraphparagynous(botany) Incompletely surrounding the oogonial stalkparainesisAlternative form of parenesis.paralegalsplural of paralegalparalepsis(rhetoric, linguistics) Alternative spelling of paraleipsis.paralipsis(rhetoric, linguistics) A figure of speech in which one pretends to ignore or omit something by actually mentioning it.parallaxesplural of parallaxparalogics(logic) The study of paralogic rhetoric; the study of understanding language by successive approximation.paralogous(figurative) Having a similar structure, quality or nature indicating divergence or relationship from a common point of origin.paralyzersplural of paralyzerparamedicsplural of paramedicparametersplural of parameterparanoiacsplural of paranoiacparaphysis(mycology) A type of sterile cell amongst the spore-bearing asci.parapraxesplural of parapraxisparapraxis(psychology) A mistake, such as a slip of the tongue, that reveals a concealed thought or motive.paraptosis(biology) A particular form of programmed cell death, defined by cytoplasmic vacuolation, independent of caspase activation and inhibition, and lack of apoptotic morphology.parasportsplural of parasportparathesesplural of parathesisparathesis(grammar) The placing of two or more nouns in the same case; apposition.parathionsplural of parathionparatroopsinfantry soldiers deployed by parachuteparavenous(anatomy) Close to a veinparavermis(anatomy) A form of the vermis found in the intermediate zone of the cerebellumparchmentsplural of parchmentpardonlessunpardonableparechesisThe repetition of a sound in adjacent or nearby words.paregoricsplural of paregoricparentingsplural of parentingparentlessHaving no (living) parent.parentnessThe condition, state, or quality of a parent.parkleavesSynonym of tutsan.parlorless(rare) Devoid of parlors.paroecious(bryology) Having the male and female reproductive organs growing beside or near each other, as in certain cryptogams.paronymous(semantics) Having the same root or derivation; conjugate.parostosis(biology, archaic) ossification which takes place in purely fibrous tracts; the formation of bone outside of the periosteumparrakeetsplural of parrakeetparroquetsplural of parroquetparrotlesswithout parrots.parsonagesplural of parsonagepartednessThe quality of being parted or separated.partitionsplural of partitionpartridgesplural of partridgepartygoersplural of partygoerparvenuess(rare) A female parvenu; a parvenue.parvovirusAny single-stranded DNA virus, of the genus Parvovirus, being the smallest found in nature; they infect only mammals other than humans.pasodoblesplural of pasodoblepassengersplural of passengerpasserinesplural of passerinepassivatesthird-person singular simple present indicative of passivatepassivismsplural of passivismpastedownsplural of pastedownpastelistsplural of pastelistpastoralesplural of pastoralepastorlessWithout a pastor.pastrylessWithout pastry.patchinessThe condition of being patchy.patchoulisplural of patchoulipatchworksplural of patchworkpatentlessWithout a patent or patents.patriarchsplural of patriarchpatriciansplural of patricianpatricidesplural of patricidepatriotess(rare) A female patriot.patristicsThe study of the works of the early Christian Church Fathers.patrollersplural of patrollerpatronisesthird-person singular simple present indicative of patronisepatronizesthird-person singular simple present indicative of patronizepatronlessLacking a patron or patrons; unsponsored; unpatronized; unpatroned.paulowniasplural of paulowniapaunchlessHaving no paunch.pauperizesthird-person singular simple present indicative of pauperizepaupiettesplural of paupiettepaymastersplural of paymasterpeachinessThe state or quality of being peachy.peachtreesplural of peachtreepeajacketsplural of peajacketpeakedness(statistics) kurtosis (archaic).peanutlessWithout peanuts, peanut-freepearlinessQuality of being pearly.pearlwortsplural of pearlwortpeasantessA female peasant.peatmossesplural of peatmosspebblelessWithout any pebbles.peckerless(slang) Without a penis.pectoralis(anatomy) A pair of muscles that lowers the wings of birds in flightpeculatorsplural of peculatorpedagogicsThe science or art of teaching; pedagogy.pedagogiesplural of pedagogypedagoguesplural of pedagoguepeddleress(dated) A female peddler.pediatrics(American spelling, medicine) The branch of medicine that deals with the treatment of children and adolescents.pedicellusThe base of the antenna of some insectspediculousAlternative form of pedicular.pediferous(zoology) pedigerous; having feetpedigerous(zoology) Bearing or having feet or legs.pedimanous(archaic, zoology) Having feet resembling hands, or with the first toe opposable, as in the opossums and monkeys.pedipalpusSynonym of pedipalp.pedophilesplural of pedophilepedorthicsThe medicinal branch of modifying footwear and employing supportive devices to address conditions which affect the feet and lower limbs.peevednessThe quality of being peeved.pegmatitesplural of pegmatitepelecypodsplural of pelecypodpellagrinsplural of pellagrinpellagrousRelated to, or suffering from, pellagra.pelletlessWithout pellets.pemphigousRelating to pemphiguspenalitiesplural of penalitypencillersplural of pencillerpencillessWithout a pencil.peneplainsplural of peneplainpeneplanesplural of peneplanepenetratesthird-person singular simple present indicative of penetratepenholdersplural of penholderpenicillus(anatomy) One of the tufts of fine twigs into which the arteries of the spleen subdivide.penilingus(rare) Fellatio.penitencesplural of penitencepennaceous(ornithology) having the structure of a normal featherpennycressAny of several plants, of the genus Thlaspi, that have flattened seedpods (in the form of an old penny).penologiesplural of penologypensionersplural of pensionerpentagramsplural of pentagrampentanglesplural of pentanglepentanonesplural of pentanonepentapolisA geographic and/or institutional grouping of five citiespentathlos(obsolete) A pentathlete.penthousesplural of penthousepentoxidesplural of pentoxidepenumbrousPartially shaded.peopleless(rare) Having no people; uninhabitedpeoplenessThe quality of being a person or people; communal social identity.peperomiasplural of peperomiapepperlessWithout pepper (the condiment).pepperonisplural of pepperonipepperpotsplural of pepperpotpepstatinsplural of pepstatinpeptidasesplural of peptidasepeptolysisThe hydrolysis of peptones.peptonizesthird-person singular simple present indicative of peptonizeperboratesplural of perborateperceiversplural of perceiverpercolatesplural of percolateperegrinesplural of peregrineperennatesthird-person singular simple present indicative of perennateperennialsplural of perennialperfidiousOf, pertaining to, or representing perfidy; disloyal to what should command one's fidelity or allegiance.perforatesthird-person singular simple present indicative of perforateperforatus(anatomy) The short flexor of the toes, or the superficial flexor of the fingers.performersplural of performerperfusionsplural of perfusionpericulousdangerous, hazardous, perilouspericyclesplural of pericycleperidromosAlternative form of peridrome.perieciansplural of periecianperiegesisA description of an area or territory.perigynous(botany) Having the stamens, petals or sepals situated around the ovary (especially, on the rim of the receptacle of a superior ovary).perilymphsplural of perilymphperimetersplural of perimeterperimorphsplural of perimorphperiodatesplural of periodateperipterosA type of Ancient Greek or Ancient Roman temple surrounded by a portico with columns.perisciansplural of periscianperiscopesplural of periscopeperishlessThat does not perish; undying; enduring.perispermsplural of perispermperistasis(countable, architecture) A four-sided porch or hall of columns surrounding the cella in an Ancient Greek peripteros temple.peristomesplural of peristomeperitomous(mineralogy) Cleaving in more than one direction, parallel to the axis, the faces all being similar.perivenous(medicine) Surrounding a vein.perjuriousOf or pertaining to perjury.perlaceousAlternative form of pearlaceous.permalinksplural of permalinkpermanentsplural of permanentpermapress(transitive) To bake (a garment) so as to give it a permanent crease and avoid wrinkles.permitionsMisspelling of permissions.permitlessWithout a permit.permitteesplural of permitteepermutatesthird-person singular simple present indicative of permutateperniciousCausing much harm in a subtle way.perpetualsplural of perpetualperpetuous(rare) incessant; perpetualpersecutesthird-person singular simple present indicative of persecuteperseveresthird-person singular simple present indicative of perseverepersiennesplural of persiennepersimmonsplural of persimmonpersistersplural of persisterpersonagesplural of personagepersonatesthird-person singular simple present indicative of personatepersonlessWithout a person (an individual).personnessThe state, quality, or condition of a person; personality; individuality; personhood; personableness.pervasionsplural of pervasionpessimistsplural of pessimistpesthousesplural of pesthousepesticidesplural of pesticidepestivirusAny of several viruses, of the genus Pestivirus, that infect cattle, sheep, pigs etc.petiolulesplural of petiolulepetitenessThe quality of being petite.petrobolos(historical) A kind of catapult of Ancient Greece, used for hurling stones.petroleousContaining petroleum.petroleumsplural of petroleumpettednessThe quality of being petted.pettichapsArchaic form of pettychaps.petticoatsplural of petticoatpettipantsA kind of women's lingerie resembling long shorts, usually with ruffles down each leg.pettychapsAny of several species of small European passerine songbirds, including the willow warbler (Phylloscopus trochilus), the chiffchaffs (Phylloscopus spp.), and the western Orphean warbler (Sylvia hortensis).petulancesplural of petulancephacolysis(surgery) The destruction and removal of the lens of the eye.phaeovirusAny virus of the genus Phaeovirusphagocytesplural of phagocytephagolysisThe destruction of phagocytesphagosomesplural of phagosomephalangersplural of phalangerphalaropesplural of phalaropephanerosisThe expansion of individual droplets of a colloid, so that they become visible.phantasiesplural of phantasypharaohessA female pharaoh.pharmaciesplural of pharmacyphasivirusAny bunyavirus of the genus PhasivirusphaticnessSynonym of phaticity.phenazinesplural of phenazinephenolatesplural of phenolatephenotypesplural of phenotypepheromonesplural of pheromonephilandersplural of philanderphilippicsplural of philippicphilomathsplural of philomathphlegmlessWithout phlegm.phobotaxis(biology) The movement of an organism either towards or away from an aversive stimulus.phocomelus(countable) A person with phocomelia.pholidosisThe pattern made by the scales of a reptilephonationsplural of phonationphonebooksplural of phonebookphonecallsplural of phonecallphonecardsplural of phonecardphonetistsplural of phonetistphoneynessAlternative form of phoniness.phonogramsplural of phonogramphonolitesplural of phonolitephononlessThat does not involve phononsphonotaxis(physiology) The ability to move in an orientation with respect to a source of sound.phosphatesplural of phosphatephosphenesplural of phosphenephosphinesplural of phosphinephosphorus(chemistry) A chemical element (symbol P) with an atomic number of 15, that exists in several allotropic forms.photocallsplural of photocallphotocellsplural of photocellphotogenesplural of photogenephotolysesplural of photolysisphotolysis(chemistry) Any chemical reaction in which a compound is decomposed after absorbing a photonphotomasksplural of photomaskphotoplaysplural of photoplayphotostatsplural of photostatphototaxesplural of phototaxisphototaxis(biology) The movement of an organism either towards or away from a source of lightphototonussensitivity to, or irritation caused by, lightphragmitesAny of several perennial reeds, of the genus Phragmites, found in wetlands.phragmosisPositioning behind a barrier (or down a hole, etc.) as a means of defense.phraselessindescribablephrasinessThe quality of being phrasy.phthalatesplural of phthalatephycovirusAny virus associated with algaephylarchusAlternative form of phylarch.phyllopodsplural of phyllopodphylotaxisMisspelling of phyllotaxis.physalisesplural of physalisphysiciansplural of physicianphysicistsplural of physicistphytolithsplural of phytolithphytosaursplural of phytosaurphytovirus(biology) A plant virus.pianistics(music) The art or technique of playing the piano.piazzalessWithout a piazza.pickabacksthird-person singular simple present indicative of pickabackpickedness(obsolete) The state of being sharpened or pointed.picklelessWithout pickles.picnickersplural of picnickerpicofaradsplural of picofaradpicoideousRelating to, or characteristic of the picoideanspictogramsplural of pictogrampictorialsplural of pictorialpiecegoodsAlternative form of piece goods.pierceless(archaic, poetic) That cannot be pierced.pigeonlessWithout pigeons.pigeonpeasplural of pigeonpeapiggybacksthird-person singular simple present indicative of piggybackpigmentous(dated) Relating to, or furnished with, pigments.pikestavesplural of pikestaffpilgrimessA female pilgrim.piliferousContaining or producing hair.piligerouspiliferous (covered in hair)pillarlessWithout a pillar.pilliwinks(chiefly Scotland, historical) A torture device for squeezing the fingers; a thumbscrew.pillowlessWithout a pillow.pilotbirdsplural of pilotbirdpimientoesMisspelling of pimientos, plural of pimiento.pimplelessWithout a pimples.pimplinessThe state or condition of being pimply.pinchbecksplural of pinchbeckpineapplesplural of pineapple.pinionlessWithout a pinion.pinnationsplural of pinnationpinnipedesplural of pinnipedepinstripesplural of pinstripepioneeressA female pioneer.pipedreamsplural of pipedreampipefishesplural of pipefishpipsqueaksplural of pipsqueakpiriformis(anatomy, zootomy) A gluteal muscle which arises from the front of the sacrum and the ischium or sacrotuberous ligament, passes out of the pelvis through the greater sciatic foramen, and inserts into the greater trochanter of the femur, serving in humans to rotate the thigh laterally.pirimiphosAny of a family of phosphorothioate insecticidespirouettesplural of pirouettepissedness(UK, Australia, New Zealand, South Africa, Canada, colloquial) Drunkenness.pistachiosplural of pistachiopistoleersplural of pistoleerpistonlessWithout pistons.pitchforksplural of pitchforkpitchinessblackness, as of pitch; darknesspitchpinesplural of pitchpinepithiviersplural of pithivierpithovirusAny of the genus Pithovirus of giant viruses known from one species, Pithovirus sibericum, which infects amoebas.pityriasis(pathology) Any of several varieties of skin diseases characterized by the shedding of flakes or scales, such as dandruff.placekicksplural of placekickplacementsplural of placementplacenamesplural of placenameplacentalsplural of placentalplacidnessThe state or quality of being placid.placodermsplural of placodermplagiariesplural of plagiaryplaguelessFree from plague.plaguinessThe quality of being plaguey.plainsongsplural of plainsongplaintextsplural of plaintextplaintiffsplural of plaintiffplaintless(archaic) Without complaint; uncomplaining.planariansplural of planarianplanetlessWithout planets.planetoidsplural of planetoidplanetreesplural of planetreeplaquelessFree from plaque.plaquettesplural of plaquetteplasmaless(semiconductor industry) Without using plasma. (for cleaning or etching)plasmonics(physics) A proposed analogy to electronics using plasmonsplasterersplural of plastererplastisolsplural of plastisolplateglassAlternative form of plate glass.platitudesplural of platitudeplatonistsplural of platonistplatypusesplural of platypusplayactorsplural of playactorplayerlessWithout a player.playgroupsplural of playgroupplayhousesplural of playhouseplaymakersplural of playmakerplaythingsplural of playthingpleasurous(rare) Characterized by pleasure.pledgelessWithout a pledge or commitment.plenitudesplural of plenitudeplentiness(archaic) plentifulness; abundanceplexiglasspolymethyl methacrylate (polymer of methyl methacrylate), a tough transparent plastic used sometimes in lieu of glass.pliantnessThe state or quality of being pliant.plicationsplural of plicationplicaturesplural of plicatureplightlessDevoid of plightplinthlessWithout a plinth.ploidyless(genetics) Lacking a definite ploidyploughlessWithout a plough.ploverness(nonce word) The essence of what it means to be a plover; the qualities that make a plover what it is.plowsharesplural of plowsharepluckinessThe characteristic of being plucky.plugugliesplural of pluguglyplumberiesplural of plumberyplumblinesplural of plumblineplumegrassGrasses of the genus Dichelachne, found principally in Australia, New Zealand, and New Guinea.plumminessThe state or quality of being plummy.plumpinessThe state or quality of being plumpy.plumptious(informal) Plump and delicious.plunderersplural of plundererplunderess(rare) A female plunderer.plunderousTending to plunder.pluralisesthird-person singular simple present indicative of pluralisepluralismsplural of pluralismpluralizesthird-person singular simple present indicative of pluralizeplushinessThe quality of being plushy.plutocratsplural of plutocratplutonistsplural of plutonistpneumaticsThe branch of mechanics that deals with the mechanical properties of gasespneumoniasplural of pneumoniapoacevirusAny virus of the genus Poaceviruspoachiness(archaic) The state of being poachy or marshy.pocketfulsplural of pocketfulpocketlessWithout pockets.podocarpusAny of the genus Podocarpus of podocarp conifers.podsolizesthird-person singular simple present indicative of podsolizepodzolizesthird-person singular simple present indicative of podzolizepoetastersplural of poetasterpoeticismsplural of poeticismpoeticnessThe state or quality of being poetic.poetrylessWithout poetry.poffertjesplural of poffertjepoinsettasMisspelling of poinsettias.pointclass(mathematics, set theory) A collection of sets of points (ordinarily understood to be elements of some perfect Polish space), characterized by some sort of definability property.pointinessThe state or condition of being pointy.poisoningsplural of poisoningpoisonlessWithout poison.polaritiesplural of polaritypolaritonsplural of polaritonpolarizersplural of polarizerpolepiecesplural of polepiecepolicelessWithout police or a police force.policylessWithout a policy or policies.poliovirusA human enterovirus of the Picornaviridae family that causes poliomyelitis.politeness(uncountable) The quality of being polite.politicalsplural of politicalpolitricks(informal, derogatory) Political trickery.pollednessThe quality of being polled; absence of horns in an animal.pollenlessLacking pollen.pollenosesplural of pollenosispollenosisAlternative form of pollinosis.pollinizesthird-person singular simple present indicative of pollinizepollinosesplural of pollinosispollinosisAn allergy to grass and other pollen which causes cold symptoms in sufferers; hay fever.pollutantsplural of pollutantpollutionsplural of pollutionpollyannasplural of pollyannapollyblobsSynonym of cowslip.polonaisesplural of polonaisepolosticksplural of polostickpolyamidesplural of polyamidepolyaminesplural of polyaminepolyanthusA type of primula, apparently originally from a hybrid between the cowslip and the primrose, having many different-coloured flowers.polybunousmultituberculatepolycyesis(uncommon) Multiple pregnancy; pregnancy with more than one fetus.polydomous(biology) Occupying and maintaining multiple nests.polyedrousObsolete spelling of polyhedrous.polyestersplural of polyesterpolyethersplural of polyetherpolygamousOf, relating to, or practicing polygamy.polygenousConsisting of, or containing, many kinds or genrespolygonumsplural of polygonumpolygraphsplural of polygraphpolygynous(botany) Having many styles; belonging to the order Polygynia.polygyrous(biology) Having many closely-spaced spiralspolyimidesplural of polyimidepolymelousHaving or relating to polymelia.polymericsThe science and technology of the production of polymerspolymerous(biology) Having many parts or members in each set.polymorphsplural of polymorphpolymyxinsplural of polymyxinpolynymous(rare) Having multiple names.polypariesplural of polyparypolyparousProducing or bearing a great number; bringing forth many.polyphemusSynonym of polyphemus moth.polyploidsplural of polyploidpolypodiesplural of polypodypolypodous(zoology) Having numerous legs.polyporousHaving or involving many pores.polysemous(rhetoric, linguistics) Synonym of polysemic.polytocous(biology) Giving birth to multiple offspring at the same time; multiparous.polytomous(botany) Subdivided into many parts.polyuresis(less common) Synonym of polyuria.pomaderrisAny plant of the genus Pomaderris.pomiferousProducing or bearing fruit, especially applespompelmous(obsolete) Alternative form of pampelmoes: a pomelo; a grapefruit.ponderosasplural of ponderosapondliliesplural of pondlilypondokkiesplural of pondokkieponticulus(anatomy) a ridge of cartilage on the eminentia conchae of the earpontificesplural of pontifexpontoniersplural of pontonierpoopypants(childish, derogatory) One who soils their pants.poorhousesplural of poorhousepoorlinessThe quality of being poorly; ill health.poormouthsthird-person singular simple present indicative of poormouthpopishnessThe state or condition of being popish.poppyseedsplural of poppyseedpopulomicsThe study of entire populationsporbeaglesplural of porbeagleporcelainsplural of porcelainporcupinesplural of porcupineporewatersplural of porewaterporiferansplural of poriferanporodinous(obsolete, geology) amorphous (rather than crystalline)porogamous(botany) Exhibiting or relating to porogamy.porositiesplural of porosityporousnessThe quality of being porous.porphyriasplural of porphyriaporphyriesplural of porphyryporphyrinsplural of porphyrinporphyrousOf or crafted from porphyry.porraceous(originally medicine now rare) Resembling the leek in colour; greenish.porringersplural of porringerportcullesArchaic form of portcullis.portcullisA gate in the form of a grating which is lowered into place at the gateway of a castle, a fort, etc.portentousOf momentous or ominous significance.porterlessWithout a porter.portfoliosplural of portfolioportlinessThe quality of being portlyportolanosplural of portolanoportrayalsplural of portrayalpospivirusAny viroid of the family Pospiviroidaepossessorsplural of possessorpostbypass(surgery) Following a bypasspostcaucusAfter a caucus.postcensusAfter a census.postcoitusThe period immediately after coituspostcrisisafter a crisisposteriorsplural of posteriorpostestrusAlternative form of postoestrus.postherpes(pathology) Following infection with herpes.posthorsesplural of posthorseposthousesplural of posthouseposthumousAfter the death of someone.postponersplural of postponerpoststress(linguistics) After a stress (emphasis placed on a syllable of a word).postulatesplural of postulateposturingsplural of posturingpotatolessWithout potatoes.potatoness(philosophy) The quality of being a potato, or like a potato.potbelliesplural of potbellypotboilersplural of potboilerpotentatesplural of potentatepotentialsplural of potentialpotentnessThe quality or state of being potent; powerfulness; potency; efficacy.potestatesplural of potestatepotexvirusAny of the genus Potexvirus of plant pathogenic viruses of the family Alphaflexiviridae.pothuntersplural of pothunterpotlatchesplural of potlatchpotpourrisplural of potpourripottingersplural of pottingerpouffinessAlternative form of poufiness.poulterersplural of poultererpoulteressA female poulterer.poundcakesplural of poundcakepourboiresplural of pourboirepowderkegsplural of powderkegpowderlessWithout the use or presence of powder.powerbasesplural of powerbasepowerboatsplural of powerboatpowerlinesplural of powerlinepowerloomsplural of powerloompowerplaysplural of powerplaypozzolanasplural of pozzolanapracharaksplural of pracharakpracticumsplural of practicumpraecuneusAlternative form of precuneus.pragmaticsplural of pragmaticpraiselessWithout praiseprankinessPrankish behaviour; mischief.prankstersplural of pranksterprayerlessWithout prayer.preachingsplural of preachingpreaddress(transitive) To address in advance.prebioticsplural of prebioticprecarious(comparable) Dangerously insecure or unstable; perilous.precedentsplural of precedentprecentorsplural of precentorpreceptorsplural of preceptorprecipicesplural of precipiceprecisionsplural of precisionprecociousCharacterized by exceptionally early development or maturity.preconizesthird-person singular simple present indicative of preconizeprecursorsplural of precursorpredaceousSurviving by preying on other animals.predaciousAlternative spelling of predaceous.predationsplural of predationpredicantsplural of predicantpredicatesplural of predicatepredictorsplural of predictorprediscuss(transitive) To discuss in advance.preembryosplural of preembryopreferrersplural of preferrerprefiguresthird-person singular simple present indicative of prefigureprefixlessWithout a prefix.prefixness(rare) The state or quality of being a prefix.preflightsplural of preflightprejudicesplural of prejudicepreludious(archaic) preludialpremadnessBefore the onset of madness.premeiosis(cytology) Synonym of mitotis.premieress(dated) A female premier.prenucleusOccurring before the development of a nucleuspreosseous(physiology) Relating to tissue that will become boneprepositus(historical) A provost: the presiding officer of various ecclesiastical bodies.prepossessChiefly followed by by or with: to preoccupy (someone) in an emotional or mental way, so as to preclude other things.preppinessThe state or condition of being preppy.preprocess(computing) To process in advance.presagiousForeboding; ominous.presbytersplural of presbyterpreschoolsplural of preschoolprescreensthird-person singular simple present indicative of prescreenprescribesthird-person singular simple present indicative of prescribeprescriptsplural of prescriptpreselectsthird-person singular simple present indicative of preselectpresentersplural of presenterpresidentsplural of presidentpressboxesplural of pressboxpressgangsplural of pressgangpressroomsplural of pressroompretendersplural of pretenderpreteritesplural of preteritepretoriansplural of pretorianprettifiesthird-person singular simple present indicative of prettifyprettikins(colloquial) Affectionate term of address to a person who is pretty.prettinessThe quality of being pretty.preventersplural of preventerpricelistsplural of pricelistpriceynessThe quality of being pricey, that is, expensive.priestlessWithout a priest or priests.priestress(rare, nonstandard, now chiefly US) A priestess.primerlessLacking, or not needing, a primerprimiparasplural of primiparaprimitivesplural of primitiveprincedomsplural of princedomprincelessWithout a prince.princessesplural of princessprincipalsplural of principalprinciplesplural of principleprinteress(dated) A female printer.printshopsplural of printshopprintworksSynonym of printing house, an institutional or commercial publisher or a building where printing takes place.prioritiesplural of prioritypriorshipsplural of priorshipprisonlessWithout prisons.prissinessThe state or quality of being excessively prim or proper.privateersplural of privateerprivationsplural of privationprivatisesthird-person singular simple present indicative of privatiseprivilegesplural of privilegeproairesisAlternative form of prohairesis.probationsplural of probationprobioticsplural of probioticprocaciousBold, forward, insolent.proceduresplural of procedureprocellous(rare) stormy; tempestuousprocessorsplural of processorprociduous(archaic, rare) droopyprocliticsplural of procliticproclivousinclined towards something; tending by natureprocoelousHollowed or cupped in front.proconsulsplural of proconsulprocreatesthird-person singular simple present indicative of procreateprodigiousExtraordinarily amazing.proenzymesplural of proenzymeproestrousLeading to estrus.professorsplural of professorproficuousUseful or profitable.profilistsplural of profilistprofiteersplural of profiteerprofitlessnot yielding profitprofusionsplural of profusionprogenesis(biology) precocious sexual reproduction (especially in nematodes)progestinsplural of progestinprogramersplural of programerprogrammesplural of programmeprogressesplural of progressprojectorsplural of projectorprokinesisA form of mesokinesis that occurs between the braincase and facial skeleton.prolactinsplural of prolactinproleptics(medicine, obsolete) The art and science of predicting in medicine.prolixious(obsolete) Prolix (tediously long or long-winded).proloculus(biology) An initial chamber.promenadesplural of promenadeprominentsplural of prominentpromotionsplural of promotionpromotress(archaic) A female promoter.promptingsplural of promptingpromptlessWithout a prompt.promptnessThe habit or characteristic of doing things without delay.promptress(archaic) A female prompter.pronationsplural of pronationpronephros(anatomy) A primitive kidney in the lamprey and similar animals, and in other vertebrate embryospronouncesthird-person singular simple present indicative of pronouncepronucleusEither of the two haploid nuclei (of a sperm and ovum) that fuse during fertilizationproofreadsthird-person singular simple present indicative of proofreadpropagatesthird-person singular simple present indicative of propagatepropagulesplural of propagulepropellersplural of propellerpropernessThe state or condition of being proper; propriety.propertiesplural of propertypropheciesplural of prophecyprophesiesthird-person singular simple present indicative of prophesyprophetessA female prophet.propheticsThe art or practice of prophecy.propitiousFavorable; advantageous.proponentsplural of proponentpropositusThe first identified male case of an inherited disease in a family; the proband or index case.proppinessThe state or condition of being proppy.propudious(obsolete) shameful, infamous, disgracefulproscribesthird-person singular simple present indicative of proscribeprosecutesthird-person singular simple present indicative of prosecuteproselytesplural of proselyteprosimiansplural of prosimianproslepsis(rhetoric) The pretence of passing over a subject while at the same time describing it fully.prosodistsplural of prosodistprospectusA document which describes a proposed endeavor (venture, undertaking), such as a literary work (which one proposes to write).prosperousCharacterized by success.prosphysis(medicine) A growing together of parts; specifically, a morbid adhesion of the eyelids to each other or to the eyeball.prosthesesplural of prosthesisprosthesis(medicine) An artificial replacement for a body part, either internal or external.prostratesthird-person singular simple present indicative of prostrateprotanopesplural of protanopeprotectorsplural of protectorproteinousproteinaceousproteomics(biochemistry) The branch of molecular biology that studies the set of proteins expressed by the genome of an organism.protestersplural of protesterprotestorsplural of protestorprothallusA prothallium.protogenos(Greek mythology) Any of the first order of deities to come into existence, according to Greek cosmogony.protolysis(chemistry) Any proton-transfer reactionprotopapas(religion, Greek Orthodoxy) A protopope.protostarsplural of protostarprototypesplural of prototypeprotovirus(biology) A DNA sequence capable of mutating into an oncogenic virus, proposed as a hypothesis to explain the origin of ribodeoxyviruses as arising from normal cellular components.protozoansplural of protozoanprovennessThe property of having been proven.provirusesplural of provirusprovisionsplural of provisionprovostess(rare) A female provost.proximious(obsolete) proximateprunaceous(botany, relational) Of or relating to the Prunaceae.pruriencesplural of pruriencepryingnessThe quality of being prying or nosy.psalteriesplural of psalterypsellismusAlternative form of psellism.pseudoaxis(botany) A sympodium.pseudomass(pathology) A constriction, typically of an airway, that has the appearance of a masspseudonymsplural of pseudonympsychoticsplural of psychoticptarmigansplural of ptarmiganpteridinesplural of pteridinepterolysisThe arrangement of different feathers in different parts of a birdpterosaursplural of pterosaurpterylosis(ornithology) The particular arrangement of feathers on a bird.pthiriasis(medicine) Phthiriasis.pubescentsplural of pubescentpubigerous(botany, zoology) pubescentpublicisesthird-person singular simple present indicative of publicisepublicistsplural of publicistpublicizesthird-person singular simple present indicative of publicizepublicnessThe quality or state of being public.publishersplural of publisherpuerperous(obsolete) Bearing children.puffaddersplural of puffadderpugillaris(historical) A kind of notebook or tablet used in Ancient Rome.pugnaciousNaturally aggressive or hostile; combative; belligerent; bellicose.pugnatiousObsolete form of pugnacious.pulleylessWithout a pulley.pullulatesthird-person singular simple present indicative of pullulatepulmonatesplural of pulmonatepulpaceousOf a pulpy consistency.pulpitlessWithout a pulpit.pulsationsplural of pulsationpultaceous(archaic, medicine) Macerated; softened; nearly fluid; gloopypulverizesthird-person singular simple present indicative of pulverizepulvinulus(zoology) A pulvilluspunchballsplural of punchballpunchcardsplural of punchcardpunchinessThe condition of being punchypunchlinesplural of punchlinepunchpressAlternative form of punch presspunctiliosplural of punctiliopungenciesplural of pungencypupigerousContaining a pupa.pupiparous(entomology) Producing young that are ready to pupate.pupivorous(zoology) Feeding on the pupae (or larvae) of insects.puppeteersplural of puppeteerpuppetlessWithout a puppet.purchasersplural of purchaserpurgationsplural of purgationpurgativesplural of purgativepurloinersplural of purloinerpuromucousSynonym of mucopurulent.puromycinsplural of puromycinpurplenessThe state or condition of being purple in colour.purplinessSynonym of purplishness.pustulosisA highly inflammatory skin condition resulting in large fluid-filled blister-like areas, or pustules, typically on the palms of the hands or the soles of the feet.putschistsplural of putschistpuzzlelessWithout puzzles.pygopodous(zoology) Of or pertaining to the former Pygopodes genus of aquatic birds that have the legs placed far back on the body.pygostylesplural of pygostylepyjamalessWithout pyjamas.pyogenesis(medicine) formation of puspyopoiesis(medicine) suppurationpyrazophosA systemic fungicide used against powdery mildew.pyrethrinsplural of pyrethrinpyriformisAlternative spelling of piriformis.pyrimiphosAlternative form of pirimiphos.pyroclastsplural of pyroclastpyrogenous(pathology, chemistry, geology) Synonym of pyrogenic.pyrometersplural of pyrometerpyronomics(obsolete, mid-19th century) The science of heat; thermodynamics.pyrophorusa substance capable of catching fire spontaneously on exposure to the air, especially in a finely divided statepyroptosis(biology) A form of programmed cell death associated with antimicrobial responses during inflammation.pyroxylinsplural of pyroxylinpytyriasisArchaic form of pityriasis.