Other Ending Letters

All 457 Matching Words

sabercat(American spelling) Alternative form of sabrecat.sabrecatsabre-toothed catsacalait(Louisiana) Alternative spelling of sac-a-lait.sackbuttAlternative spelling of sackbut.safaristOne who embarks on safari.sagewortAny of a number of perennial herbs in the genus Artemisia which have the aromatic gray or silver foliage of the sagebrushes, but are not shrubby enough to be termed brush.saggiestsuperlative form of saggy: most saggysailboat(nautical) A boat propelled by a sail.sailpastA parade of boats.salariat(economics) Salary earners as a class or group, often as opposed to wage earners.salesbot(science fiction) A robot designed to sell goods or services.salivantA drug or agent that induces salivation.salmonetA young or small salmon; a samlet.salonistAlternative form of saloniste.saltflatAlternative form of salt flat.saltfoot(historical) A large salt cellar formerly placed near the centre of the table, with the superior guests seated above it.saltiestsuperlative form of salty: most saltysaltwortCertain plants of various genera that grow in dry, alkali soils, including the following:samizdat(countable) A samizdat publication.samplist(music) A person who makes music by use of samplingsandcastAlternative form of sand-cast.sandflatAn extended, flat area of sand, typically near a shore, with little or no vegetation.sandspitA small sandy point of land or a narrow shoal projecting into a body of water from the shoresandwortAny of several plants in the genera Arenaria, Minuartia, and Moehringia.sanglant(heraldry) Bloodstained.sanitist(archaic) A sanitationist.sappiestsuperlative form of sappy: most sappysarcenetAlternative spelling of sarsenet.sarconetAlternative form of sarsenet.sargeantMisspelling of sergeant.sarkiestsuperlative form of sarky: most sarkysarodistSomeone who plays a sarod.sarsenetA very fine and soft silk ribbon woven in a plain weave with a fine warp and higher density weft, now chiefly used for linings.sassiestsuperlative form of sassy: most sassysatiristA person who writes satire.saturantImpregnating to the full; saturating.saucepotA pot used to make sauce.sauciestsuperlative form of saucy: most saucysavement(obsolete) The act of saving; salvation.savviestsuperlative form of savvy: most savvyscabwortThe plant elecampane.scaleletA small scale (in various senses).scaleout(computing) The process of scaling out.scaliestsuperlative form of scaly: most scalyscambait(Internet) To pose as a potential victim of a scam, in order to waste the scammer's time and resources.scandent(botany) Climbing, without obvious morphological adaptations.scantestsuperlative form of scant: most scantscantlet(obsolete) A small pattern or quantity.scapulet(zoology) A secondary mouth fold developed at the base of the oral arms of the manubrium of many jellyfish.scarcestsuperlative form of scarce: most scarcescariant(informal) An unconfirmed or unstudied variant or strain of COVID-19 that causes widespread panic.scariestsuperlative form of scary: most scaryscelerat(obsolete) A criminal, a villain.sceneletA little scene.scherbetObsolete form of sherbet.schizontA cell that divides by schizogony.schlicht(mathematics) univalent (analytic and one-to-one) in a given region, sometimes qualified with the stipulation that the function is 0 at 0 and has a slope there equal to 1 (see Koebe function)schochatAlternative form of shochet.schochetAlternative form of shochet.scilicetNamely, to wit, as follows.sciolistOne who exhibits only superficial knowledge; a self-proclaimed expert with little real understanding.scraight(UK, regional) To cry; to clobber; to conk.scramjetAn aircraft that uses such an engine.scrapletA little scrap; a small piece of something.scribbet(dated) A painter's pencil.scripsitAn inscription indicating the identity of the person who wrote something.scrubout(military, Antarctica) A session of cleaning.scrubtitA small bird of the thornbill family, taxonomic name Acanthornis magna, endemic to King Island and Tasmania.sculpsitAn inscription indicating the identity of the person who created a sculpture.scumbutt(derogatory, slang) A term of abuse.scumshit(derogatory, vulgar) Term of abuse.seacoastThe coastal land bordering a sea or ocean.seacraftA ship or other vehicle capable of travelling on the ocean.seafrontThe seashore, the coast.sealcoatA protective coating applied to an asphalt pavement with the aim of protecting it from damage from water, oil, ultraviolet radiation, etc.sealightAlternative form of sea-light.sealwortSynonym of Solomon's seal.seamount(oceanography) An underwater mountain with a prominence of more than 1,000 meters, which does not breach the surface of the water.seargent(obsolete) sergeantseasweptLocated on the seaseatbeltAlternative spelling of seat belt.seatmentThe act or manner in which something has been seated; placement.seatpostAlternative spelling of seat post.seatroutAlternative form of sea trout.secodont(zoology) Of teeth: blade-like; suited for cutting or slicing.securestsuperlative form of secure: most securesederunt(Scotland) A formal meeting, especially of a judicial or ecclesiastical body.sedimentA collection of small particles, particularly dirt, that precipitates from a river or other body of water.seedcoatAlternative form of seed coat.seediestsuperlative form of seedy: most seedyseedplotA plot of land where seeds are sown.segementMisspelling of segment.segfault(computing, Unix) A segmentation fault.segreant(heraldry) Rampant, with the wings elevated and addorsed (a posture of winged quadrupeds).selfcest(fandom slang, fiction) Sexual activity with an alternate version of oneself, such as a clone, duplicate, alter ego, or a version of oneself from a different time or alternate universe.selichot(Judaism) Jewish penitential poems and prayers, especially those said in the period leading up to the High Holidays, and on fast days.semblantSeeming, rather than real; apparent.semifastSomewhat fast.semimattAlternative form of semimatte.seminist(biology, historical) A believer in the theory of seminism.semirant(informal, chiefly Internet) A mild or brief rant.semisoft(especially of food) Partially soft; partially melted.sennight(archaic, poetic or obsolete) Synonym of week in its various senses, a period of seven consecutive days and nights.sentientExperiencing sensation, thought, or feeling.sepiment(obsolete) Something that separates; a hedge; a fence.septolet(music) A septuplet.serenestsuperlative form of serene: most serenesergeant(military) A UK army rank with NATO code OR-6, senior to corporal and junior to warrant officer ranks.serjeant(law) Ellipsis of serjeant-at-law.sermonetA short sermon.serofastHaving a fixed amount of antibodies in the blood serumserosortTo sort according to serostatusserotestA serological testserpolet(archaic) wild thymeservauntObsolete form of servant.serveletAlternative form of servlet.servient(obsolete, law) subordinatesestolet(music) sextupletsetenantAlternative form of se-tenant.setpointThe command signal or value which is fed into a controller to establish the target or desired position or state of the controlled device or process.severestsuperlative form of severe: most severesexfightA physical competition in which the competitors attempt to bring each other to orgasm, engaged in as an erotic fetish.sexploit(slang) A sexual exploit.sextolet(music) A double triplet; a group of six equal notes played in the time of four.shadeset(computer graphics) A colour scheme that can be applied to a computerized map.shadiestsuperlative form of shady: most shadyshagfest(slang) An event or encounter involving a large amount of sexual intercourse.shaharitAlternative form of shacharit.shahtootA type of Asian mulberry tree, Morus macroura.shakeoutAn event that causes marginal constituents to be eliminated.shakiestsuperlative form of shaky: most shakyshallestAlternative form of shalst.shapelet(computing) A stylized shape used in pattern recognition systems to correspond to a real objectshareoutThe process of sharing something out between multiple parties.sharkletA small or young shark.sharpestsuperlative form of sharp: most sharpsharpsetAlternative form of sharp-set.shawmistSomeone who plays a shawm.shearlet(mathematics) An extension of the wavelet, allowing the efficient encoding of anisotropic features in multivariate problem classes.shebeast(derogatory, slang) A despicable or disagreeable woman.sheepcotAlternative form of sheepcote.sheepletA little sheep; a lamb.sheerestsuperlative form of sheer: most sheersheetlet(philately) A small sheet of postage stamps sold as a unit.sherbert(chiefly US, sometimes proscribed) Alternative form of sherbet (“food of frozen fruit juice with a dairy product added”).shilajitA tar-like substance used in traditional medicine.shiniestsuperlative form of shiny: most shinyshipliftAlternative form of ship lift.shipmentA load of goods that is transported by any method (not just by ship).shitbait(slang, vulgar, derogatory) Synonym of clickbait.shitcunt(chiefly Australia, New Zealand, UK, Ireland, Commonwealth, slang, vulgar, derogatory, offensive) A term of abuse.shitfest(informal, vulgar) Something of incredibly low quality.shitlist(transitive, vulgar) To place on a shitlist.shitpost(Internet slang, vulgar, derogatory) To make a shitpost.shitslut(BDSM, vulgar) A person, especially one who is submissive, with a sexual interest in excrement; a scatophile.shittestsuperlative form of shit: most shitshomeret(Judaism) A female who watches over the body of a deceased person in the ritual of shemira.shoodentPronunciation spelling of shouldn'tshootist(chiefly US, archaic) A person who is an expert user of firearms, especially a sharpshooter or a gunslinger in the Old West.shootlet(botany) A small shoot.shootoutA decisive battle, especially a gunfight.shoplift(transitive) To steal something from a shop or store during business hours, usually by means of hiding merchandise.shortcutA path between two points that is faster than the commonly used paths.shortestsuperlative form of short: most short; Least in stature, length or height.shotlist(film) A detailed list of all the shots required for a film.shotspotAlternative form of shot spot.shouldntMisspelling of shouldn't.shouldst(archaic) second-person singular simple past indicative of shallshoutoutAlternative spelling of shout-out.showboat(US) A river steamboat having a resident theatre.showiestsuperlative form of showy: most showyshredlet(rare) A little shred.shrubletA little shrub.sibilantCharacterized by a hissing or hushing sound such as the s or sh in sack or shack.sicklistAlternative form of sick list.sidecast(engineering) To eject waste material that has been excavated or dredged to the side, rather than hauling it away.sidefoot(transitive) To kick something with the instep of the foot.sidemeatA cut of pork with a sweet taste, typically taken from above the flank of the pig.sidepostA vertical supporting post beside a door, gate, etc.signpostA post bearing a sign that gives information on directions.silhouetAlternative spelling of silhouette.silkiestsuperlative form of silky: most silkysilliestsuperlative form of silly: most silly.siltiestsuperlative form of silty: most siltysimilect(linguistics) A variety of a language spoken by people who have a different first language, with features transferred from the first language in parallel by individual speakers rather than by a cohesive group.simonist(Christianity) One who engages in simony, the purchase of church offices.simplestsuperlative form of simple: most simplesimplistA proponent of simplism.simulantSomething that simulates something else such as a gemstone.sinciput(chiefly anatomy) The front part of the head or skull (as contradistinct from occiput).singlistA person who discriminates on the basis of singlehood; one who holds negative views of single people.siphonet(now rare, zoology) a cornicle (tubular organs on aphids, which secrete honeydew).siscowetA freshwater fish from Lake Superior in the Great Lakes, a variety of the lake trout.siskiwitArchaic form of siscowet.siskowetAlternative form of siscowet.sissiestsuperlative form of sissy: most sissysitaristSomeone who plays a sitar.skeppistA beekeeper who uses a skep.skillsetAlternative form of skill set.skinsuitA skin-tight garment.skintestsuperlative form of skint: most skintskirrettAlternative form of skirret.skycraftA vehicle that flies; an aircraft.skylight(architecture) A window, dome, or opening in the roof or ceiling, to admit natural light.slackestsuperlative form of slack: most slackslagfest(UK, slang) An event or situation characterised by slagging off, or denigrating.slangistA person adept at using slang.slapshotAlternative spelling of slap shot.slashdot(computing, Internet, dated) To render a website slow or unusable via the unusually large number of page requests that result from a link on a very popular web site.slashout(typography) Synonym of strikethrough.slaveletSynonym of slaveling.sleekestsuperlative form of sleek: most sleeksleepeatAlternative form of sleep-eat.sleepout(Australia, New Zealand) A veranda or other outbuilding used as a sleeping area.slickestsuperlative form of slick: most slickslideoutA section of a recreational vehicle that can be extended from the main body of the vehicle when parked to form a separate room.slimiestsuperlative form of slimy: most slimyslimmestsuperlative form of slim: most slimslipcoatA rich variety of cheese, resembling butter, but white.slipknotAlternative form of slip knot.slogfest(informal) An activity or event characterized by a long duration and an exhausting, wearisome perception by its participants.slugfest(baseball, slang) A baseball game in which many runs are scored, especially by home runs.smallestsuperlative form of small: most smallsmallfatAlternative form of small fat.smallsatA miniature artificial satellite.smartestsuperlative form of smart: most smartsmartlet(military) A guided bomblet.smatchet(Scotland) A small, nasty or insignificant person.smiliestsuperlative form of smiley: most smileysmokeoutAn activist event at which people gather to smoke recreational drugs and promote their use.smokepot(apiculture) A bee smoker.smokiestsuperlative form of smoky: most smokysmuggestsuperlative form of smug: most smugsmutfest(informal) Something excessively smutty; something vulgarly sexual or pornographic.snakebit(informal) Bitten by a snake.snakepitAlternative form of snake pit.snakiestsuperlative form of snaky: most snakysnapchat(Internet) Alternative letter-case form of Snapchat.snapshotA photograph, especially one taken quickly or in a sudden moment of opportunity.snapsuitA baby's bodysuit with a snap fastener at the crotch.snobscat(obsolete) A cobbler; a person who repairs shoes.snogfest(informal) A period of intense snogging (kissing)snowbeltAn area that is characterized by heavy annual snowfall.snowbootA water-resistant type of footwear with extra insulation or lining.snowcaptObsolete form of snow-capped.snowfortAlternative form of snow fort.snowiestsuperlative form of snowy: most snowysnowmeltRunoff from melting snow.snowsuitAn all-in-one waterproof insulating garment.snowtoptObsolete form of snowtopped.snuggestsuperlative form of snug: most snugsoapiestsuperlative form of soapy: most soapysoaprootAny of several plants whose roots were formerly used as a substitute for soap.soapwortAny perennial herb of the genus Saponaria.soberestsuperlative form of sober: most sobersodalistA member of a sodality.sodomistA person who practices sodomy.soggiestsuperlative form of soggy: most soggysolarist(derogatory) One who tends to overstate the role of the sun in explaining the roots of mythology.solecist(obsolete, rare) One who commits a solecism.solidestsuperlative form of solid: most solidsolidist(medicine, obsolete) An advocate of, or believer in, solidism.solleret(historical) A flexible armor shoe (usually steel) made of multiple hinged plates, worn with mediaeval armour.sollicitObsolete spelling of solicit.somatistOne who admits the existence of material beings only; a materialist.somersetArchaic form of somersault.somewhatTo a limited extent or degree; not completely.songfestAn event, often informal, where people sing together for the pleasure of it.songtextThe written words to a song; lyrics.sonorant(phonetics) A speech sound that is produced without turbulent airflow in the vocal tract; the generic term of vowel, approximant, nasal consonant, etc.sootiestsuperlative form of sooty: most sootysoppiestsuperlative form of soppy: most soppysorriestsuperlative form of sorry: most sorrysortmentThe process of sorting something.soulscot(ecclesiastical law, historical) A funeral payment, formerly made at the grave, usually to the parish priest in whose church service for the departed had been said; a mortuary.soundestsuperlative form of sound: most soundsoundsetA collection of electronically stored sounds, used in synthesizers, music software, etc.spacecut(computer graphics, demoscene) An animated visual effect in which one polyhedron intersects another, forming an empty space where their volumes overlap.spaciestsuperlative form of spacy: most spacyspangletA small spanglesparapet(historical) the hereditary title of the military commander-in-chief in ancient Armeniasparklet(archaic) A small spark.sparsestsuperlative form of sparse: most sparsespeakoutA public forum or meeting at which members of a community speak out about an issue facing the community, e.g. rape.speciestMisspelling of speciesist.spectant(rare outside heraldry) Looking forward.spellout(linguistics) A stage in producing an utterance that comes between syntax and the interface with the phonological form, according to Chomsky's minimalist program.spermist(historical) One who believed that the complete human being was contained in the sperm rather than the ovum.spicenutA small, crisp cake containing strong spices.spiciestsuperlative form of spicy: most spicyspideret(rare) A baby spider.spikelet(botany) A small, or secondary spike, especially one of many in the inflorescence of a grass or sedge.spincastTo fish with a reel of this kind.spineletA small spine (needlelike structure)spiniestsuperlative form of spiny: most spinyspintext(archaic) A long-winded preacher.spirelet(architecture) A small or slender spire.splitistAlternative form of splittist.splocketAlternative spelling of sprocket.spondist(archaic, Egyptology) An Ancient Egyptian priest responsible for pouring libations of water.spookist(informal) A spiritualist or medium.spoonistA musician who plays the spoons.sprigletA little sprig.sprocket(mechanical engineering) A toothed wheel that enmeshes with a chain or other perforated band.sproglet(informal) A small child.spunmeltPertaining to a bonded web of extruded polymer filaments; spunbonded or meltblown.spurwortSherardia arvensis, a flowering plant in the Rubiaceae family.spycraftThe skills and techniques employed by spies.squarestsuperlative form of square: most squarestabvestA vest designed to protect against stabbing.stabwortAster atticus, the European Michaelmas daisy.staggartA four-year-old male deer, identified by having three-pronged antlers.staghuntA hunt for stags.stagiestsuperlative form of stagy: most stagystagnantLacking flow or motion, and thus usually not fresh or healthy; decaying through stillness.stakenetA form of fishing net hung on stakes.stakeoutThe act of watching a location or people, generally covertly.stalkletA little stalk.stalwartFirmly or solidly built.stamfort(historical) haberjectstamppotA traditional Dutch dish of potatoes mashed with one or more other vegetables, sometimes also with bacon.standartNonstandard spelling of standard.standoutExceptional; noteworthy.standpatResisting change; favouring the status quo.starcast(India) A cast of celebrity actors in a film or play.stardustA distant cluster of stars resembling a cloud of dust, especially if the individual stars of which cannot be resolved with a telescope.starkestsuperlative form of stark: most starkstarplotAlternative form of star plot.starport(science fiction) A port for interstellar craft.starspot(astronomy) The equivalent of a sunspot on another star.startest(archaic) second-person singular simple present indicative of startstarwortAny of several not closely related plants that have a star-shaped flowers or leaves, but especially members of the genus Stellaria.statelet(sometimes derogatory) A very small nation-state, or a region that acts like a nation-statestatvoltA unit of voltage and electrical potential in the CGS system, equivalent to 299.792458 volts.stayboltA rod with threaded ends, used as a stay in a boiler, firebox etc.steakletSynonym of steakette (“patty formed from ground steak”).stedfastArchaic spelling of steadfast.steepestsuperlative form of steep: most steep Being steep to the greatest degree.stefnistAlternative form of stfnist.stemplot(statistics) A means of displaying data used especially in exploratory data analysis.stempost(nautical) A vertical post, at the front of the keel, that forms the main part of the bowstepaunt(rare) The sister of one's stepparentsternestsuperlative form of stern: most sternstickoutA portion of wire extending from an electrode, important in the welding process.stiffestsuperlative form of stiff: most stiff Most rigid, most inflexible, most unbending.stillestsuperlative form of still: most stillstinkcatAlternative spelling of stink-cat.stinkpotAn annoying, bad or undesirable person.stockist(UK, Ireland, Commonwealth) A retailer or distributor who has stocks of a certain type of item for sale.stockout(business) An instance of an item being out of stock; the situation where an order cannot be fulfilled from current inventory.stockpot(cooking) A large pot, such as is used for making stock or for cooking large amounts of soup.stoicistA proponent of stoicism.stonecatA species of catfish, Noturus flavusstoniestsuperlative form of stony: most stonystoplistAlternative spelling of stop list.storyletA little story.stoutestsuperlative form of stout: most stoutstradiot(historical) A mercenary unit from the Balkans, recruited mainly by states of southern and central Europe from the 15th century until the middle of the 18th century.straggot(LGBTQ slang, neologism, derogatory, offensive) A heterosexual person; a breeder.straicht(Scotland) Straight.straightNot crooked, curly, or bent; having a constant direction throughout its length.straught(Scotland) straightstrawhatPertaining to summer theater productions outside an urban or metropolitan area; relating to summer stock.streightObsolete spelling of strait.strenghtMisspelling of strength.strepent(rare, obsolete) Noisy.stridentLoud; shrill, piercing, high-pitched; rough-sounding.strumpetA female prostitute.subabbotan abbot with another abbot as their superiorsubagent(law) A person employed by an agent to transact the whole, or a part, of the business entrusted to the latter.subboset(mathematics) A subset of a biordered set.subchartA secondary chart.subcountA count (in various senses) making up part of a larger count.subcraftA craft (branch of skilled work or trade) that is a subdiscipline of another craft.subdepotA lesser depot that is part of a larger one.suberect(botany) Almost, but not quite erectsubeventAn event that makes up part of a greater event.subfacet(mathematics) A subsidiary facetsubfaultA subsidiary faultsubfleetAn independent tactical unit of a fleetsubgiant(astronomy) A star that has left the main sequence but has not yet become a true giant star.subgrantA grant made by one organisation using funds previously granted to it by another.subjointA secondary or subsidiary joint.subjunct(grammar) An adverb that expresses a conditionsublight(science fiction) Alternative spelling of sub-light.sublimitA secondary or subsidiary limit.suborbitThe lower part of the orbit of the eye.subpointA point (proposition in a debate etc.) that forms part of a larger point.subposet(mathematics) A subset of a posetsubqubitAlternative spelling of sub-qubit.subquest(video games) A secondary quest that forms part of a larger quest.subshaft(architecture) A secondary or subsidiary shaft.subshift(mathematics) A set of infinite words representing the evolution of a discrete system, used in symbolic dynamics.substantSomething that subsists.subtlestsuperlative form of subtle: most subtlesubtract(transitive, arithmetic) To remove or reduce; especially to reduce a quantity or number.subtraitA subsidiary traitsubtweet(by extension) Any social media post of this type, regardless of which service it is posted on.succinctEncircled by, or as if by, a girdle; drawn up or wrapped tightly.suckfestSomething of incredibly low quality.suitport(aerospace) An alternative to an airlock in space flight, consisting of a detachable space suit that is kept sealed against the outside of the spacecraft or habitat while not in use.sulfuret(obsolete, chemistry) A sulfide.sulkiestsuperlative form of sulky: most sulkysulukast(pharmacology) A bronchodilator.sunburnt(of human skin) Having a sunburn or dark tan; having been burned by the sun's rays.sunburst(countable) A figure or shape showing rays radiating from a central point.sunfruit(botany) Heliocarpus americanus.sunglintAn optical phenomenon that occurs when sunlight reflects off the surface of water (an ocean, lake or river) directly towards a satellite sensor viewing the surface, so that in the sunglint area of a satellite image, smooth water appears as a silvery mirror, while rougher surface water is relatively dark.sunlightAll the electromagnetic radiation given off by the Sun; especially, that in the visible spectrum and that bathes the Earth.sunniestsuperlative form of sunny: most sunnysunshaftA shaft of sunlight; a sunbeam.sunsweptEnjoying a great deal of sunshine.superbat(cricket) A superb batsman or batswoman.supercut(film) A montage of short video clips, usually from a film or TV series, illustrating a particular repeated element such as a word or phrase.superfat(informal) Extremely obese.superhetSuperheterodyne receiver.superhit(informal) A very successful hit.superhot(often figurative) Extremely hot.superjetA jet aircraft with some superior quality, such as large size or high speed.supernet(computing, Internet) An IP network formed from two or more networks (or subnets) with a common CIDR routing prefix.superratA large rat that is resistant to regular rat poisons, and may be especially aggressive or voracious.superset(weightlifting, transitive) To perform (different physical exercises) back to back, without a period of rest between them.superwetOf a vagina, highly aroused and lubricated.supplant(transitive) To take the place of; to replace, to supersede.supranet(computing) the fusion of the physical and the digital (‘virtual’) worlds.surement(obsolete) A making sure; surety.surfboatAlternative spelling of surf boat.surfcast(intransitive) To fish by casting into the surf near the shoreline.surliestsuperlative form of surly: most surlysurmount(transitive) To get or be over without touching or resting on; to overcome.surmulot(archaic) The brown rat.surprintThe printing of text or graphics elements on top of a background that is a different tint of the same color.surrebut(archaic, law) To reply, as a plaintiff to a defendant's rebuttal. To make a counterrebuttalswankpot(slang, derogatory) A show-off.swaplistA list of items that the owner wishes to exchange for other items.swapmeetAlternative form of swap meet.swarmbotA swarm of robots that act as a single organismsweepnetAlternative form of sweep net.sweepout(mathematics) The act or result of sweeping outsweetestsuperlative form of sweet: most sweetswellest(nonstandard) superlative form of swell: most swellswiftestsuperlative form of swift: most swiftswiftletAny of the various tropical and subtropical birds of the four genera Aerodramus, Hydrochous, Schoutedenapus, and Collocalia in the swift family, many of which can navigate in darkness using echolocation.swillpotAlternative form of swill-pot.swimbait(fishing) A kind of fishing lure that imitates a swimming fish.swimmist(rare, dated, nonstandard) A swimmer.swimsuitA garment worn for swimming.swingout(dance) The principal dance move in Lindy HopswingsetA set of swings (hanging seats for children) attached to a frame.swishestsuperlative form of swish: most swishswordletA little sword.symbiont(ecology) An organism that lives in a symbiotic relationship.symplast(biology) The inner side of the plasma membrane of a plant in which water can freely diffuse.synciputObsolete spelling of sinciput.synodistAn adherent to, or member of, a synod.synodontAny member of the genus Synodontis of catfishes.syzygant(mathematics) A rational integral function of the invariants of a quantic that vanishes when expressed as a function of the coefficients.