11-Letter Words Starting With O and Ending With S

Explore 200 matching words, including oarlessness, obduredness, objectifies, obligations, obligedness.

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All 200 Matching Words

oarlessnessAbsence of oars.obduredness(obsolete, physical or figurative) hardnessobjectifiesthird-person singular simple present indicative of objectifyobligationsplural of obligationobligednessQuality of being obliged.obliquenessSynonym of obliquity.obliquitiesplural of obliquityobliquitousCharacterized by obliquity.obliteratesthird-person singular simple present indicative of obliterateobscenenessQuality of being obscene.obscenitiesplural of obscenityobscurenessThe state or quality of being obscure.obscuritiesplural of obscurityobservablesplural of observableobservancesplural of observanceobservatorsplural of observatorobserveress(rare) A female observer.obstetricksObsolete form of obstetrics.obturationsplural of obturationobviousnessThe characteristic of being obvious.occidentalsplural of occidentaloccipitalis(anatomy) A muscle of the head that arises from the lateral two-thirds of the superior nuchal lines and from the mastoid part of the temporal bone, inserts into the galea aponeurotica, and acts to move the scalp; it is sometimes considered to be part of the occipitofrontalis muscle.occupanciesplural of occupancyoccupationsplural of occupationoccurrencesplural of occurrenceoceanariumsplural of oceanariumoceanlinersplural of oceanlinerocheraceousAlternative form of ochraceous.octahedronsplural of octahedronoctahedrous(archaic) octahedraloctandriousAlternative form of octandrous.octanolysisalcoholysis using octanoloctonionics(physics) The application of the mathematics of octonions in various branches of physicsoctosporousHaving eight sporesoculiferousBearing an eye or eyes.oculigerousBearing an eye or eyes.odontocetesplural of odontoceteodoriferousHaving an odor or fragrance.odorousnessThe quality of being odorous.odsbodikinsAlternative form of ods bodikins.oenologistsplural of oenologistoffbeatnessThe quality of being offbeat.offencelessAlternative form of offenseless.offenselessUnoffending; innocent; inoffensive; harmless.offertoriesplural of offertoryofficerlessWithout an officer.offlinenessThe state or quality of being offline.oftenwhiles(archaic) often; frequentlyoillessness(rare) Absence of oil.oleogenesisThe biosynthesis of triglycerides in plantsolfactoriesplural of olfactoryoligandrous(botany) Having few stamens.oliganthous(botany) Having few flowers.oligarchiesplural of oligarchyoligoamnios(medicine) The presence of an abnormally small volume of amniotic fluid.oligogynousExhibiting or relating to oligogyny.oligomerous(biology) Having only a few members in a particular organoligopoliesplural of oligopolyoligoxenous(biology, of a parasite) Having several hosts during its life cycleoliniaceous(botany, relational) Of or relating to the Oliniaceae.olivomycinsplural of olivomycinombliferousA nonsense word of vague negative connotation.ombrogenous(of peat or a bog) Dependant on rain.ominousnessThe quality of being ominous.omnifariousOf many or all forms, varieties, or kinds.omnipotentsplural of omnipotentomnivariousOf every variety.omnivourousMisspelling of omnivorous.omohyoideus(anatomy) Synonym of omohyoid muscle.onagraceous(botany, relational) Of or relating to the family Onagraceae of flowering plants, including the fuchsia and the evening primrose.oncogenesesplural of oncogenesisoncogenesis(medicine) The formation and development of tumors.oncologistsplural of oncologistoncophysicsThe physics of canceronefoldnessThe property of being onefold.onerousnessThe state or characteristic of being onerous.ongoingnessThe condition of being ongoing; continuation; continuity.ontogenesesplural of ontogenesisontogenesisThe generation and development of an individual organism from fertilization to adulthood.onycholysis(medicine) The loosening or separation of a fingernail or toenail from its bedoomyceteousAlternative form of oomycetous.opacousness(obsolete) Opacity.operculitis(dentistry) Inflammation (pericoronitis) of the operculum.operoseness(archaic) The state of being operose; tedium.opertaneous(obsolete) Concealed; private.ophicleidesplural of ophicleideophthalmicsOphthalmic studies or industry.opiliaceous(botany, relational) Of or relating to the Opiliaceae.opinionlessWithout an opinion or opinions.oppilationsplural of oppilationopposednessQuality of being opposed.oppositionsplural of oppositionoppositiousCharacterized by, or relating to, opposition; opposing.oppressionsplural of oppressionopprobriousCausing opprobrium; offensive and shameful.opprobriumsplural of opprobriumoptokinesisThe movement of the eye in response to an external stimulusorangutangsplural of orangutangorbicularis(anatomy) A muscle surrounding an opening.orchardistsplural of orchardistorderednessThe quality of being ordered, arranged in order.orderlinessThe fact of having a regular, proper and systematic arrangement.ordinationsplural of ordinationoreophilous(chiefly taxonomy) Mountain-loving; tending to inhabit mountains.organicistsplural of organicistorganicnessThe quality of being organic.originatorsplural of originatorornamentalsplural of ornamentalornithopodsplural of ornithopodorthodoxiesplural of orthodoxyorthoepistsplural of orthoepistorthogamous(botany) Of or pertaining to orthogamyorthogneiss(geology) A gneiss derived from an igneous rock.orthologous(genetics, of genes or sequences) Exhibiting orthology; having been separated by a speciation event. Usually while retaining the same function.orthonymousOf, pertaining to, or being an orthonym.orthopedics(medicine) The branch of medicine that deals with the prevention or correction of disorders of the bones and associated muscles and joints.orthoptistsplural of orthoptistorthostasis(sciences) The act or status of standing upright.orthostatesplural of orthostateorthotomous(crystallography) Having two cleavages at right angles with one another.oscillatorsplural of oscillatoroscitanciesplural of oscitancyosculationsplural of osculationoseogenesisMisspelling of osteogenesis.osmocytosisendocytosis as a result of osmotic pressureossifragous(archaic, rare) Serving to, or able to, break bones; bone-breaking.ossiphagousExhibiting ossiphagyostensoriesplural of ostensoryosteoblastsplural of osteoblastosteoclasis(medicine) The surgical fracture of a bone in order to correct a deformityosteoclastsplural of osteoclastosteogenousAlternative form of osteogenic.osteoidosis(pathology) Any osteoid condition or diseaseosteophytesplural of osteophyteosteotomiesplural of osteotomyostreaceous(zoology) Of or pertaining to an oyster, or to a shell.ostrichitis(humorous) A policy of keeping one's head in the sand, denying the reality of a problem or threat.ostriferousContaining or producing oysters.otapostasis(pathology) The condition of abnormally protruding earsotherlinessQuality of being otherly.otherwheresAlternative form of otherwhere.otherwhiles(archaic) At another time, or other times.otoplastiesplural of otoplastyotosyphilis(medicine) Otological syphilis: the otological component or manifestations of syphilis; syphilis's effects on the ears. In modern nosology not entirely distinct from the rest of neurosyphilis; sometimes formerly differentiated as, or in parallel with, parasyphilis.outbalancesthird-person singular simple present indicative of outbalanceoutcastnessThe state or quality of being outcast.outdoornessThe quality of being outdoor.outfieldersplural of outfielderoutliernessThe property or degree of being an outlier.outlinelessWithout an outline.outpatientsplural of outpatientoutperformsthird-person singular simple present indicative of outperformoutpouringsplural of outpouringoutsidenessThe state or condition of being outside.outstationsplural of outstationoutswingersplural of outswingeroutwardness(uncountable) The quality of being outward.overaddress(transitive) To address to an excessive degree.overagenessThe quality of being overage.overanxiousExcessively anxious or nervous.overbigness(rare, nonstandard) The quality of being too big; excessive size.overchargesthird-person singular simple present indicative of overchargeoverclothesItems of clothing worn as an outer layer.overcopiousExcessively copious.overcoynessExcessive coyness.overcuriousExcessively curiousoverdepress(transitive) To depress excessively.overdiscussTo discuss too long or too often.overdressesthird-person singular simple present indicative of overdressoverexposesthird-person singular simple present indicative of overexposeoverexpress(genetics, transitive) To artificially express (a gene) in increased quantity.overfuriousExcessively furious.overimpress(transitive) To impress too much.overjealousExcessively jealous.overlandersplural of overlanderoverlaxnessExcessive laxness.overlookersplural of overlookerovermantelsplural of overmantelovermatchesplural of overmatchovernervousExcessively nervous.overobviousExcessively obvious.overpompousExcessively pompous.overprocess(transitive) To process to too great a degree.overreachesplural of overreachoverseeressA female overseer.overseriousExcessively serious.overshadowsthird-person singular simple present indicative of overshadowoverspreadsthird-person singular simple present indicative of overspreadoverstrainsthird-person singular simple present indicative of overstrainoverstridesthird-person singular simple present indicative of overstrideovertediousExcessively tedious.overweightsthird-person singular simple present indicative of overweightoverwetnessExcessive wetness.overwintersthird-person singular simple present indicative of overwinteroverzealousToo zealous; too enthusiastic or fervent.ovuliferousBearing ovules.oxygenatorsplural of oxygenatoroxygnathousHaving a smooth jawoxyrhynchus(ichthyology) a fish with a pointed snoutozoniferousYielding or bearing ozone.