7-Letter Words Starting With O and Ending With S

Explore 148 matching words, including obvious, oakmoss, oakness, oaritis, obelias.

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All 148 Matching Words

oakmossEvernia prunastri, a lichen found primarily on oak trees and used in perfume.oaknessThe quality of being oak, or of being an oak tree.oaritisArchaic form of ovaritis.obeliasplural of obeliaobentosplural of obentoobjectsplural of objectoblastsplural of oblastoblatesplural of oblateobligesthird-person singular simple present indicative of obligeoblongsplural of oblongobnosis(Scientology) Observing the obvious.obtainsthird-person singular simple present indicative of obtainobviousEasily discovered, seen, or understood; self-explanatory.ocellusA simple eye consisting of a single lens and a small number of sensory cells.ocelotsplural of ocelotochrousContaining ochre.octanesplural of octaneoctantsplural of octantoctapusMisspelling of octopus.octavesplural of octaveoctopus(countable, strictly) A mollusc from genus Octopus.octroisplural of octroioddness(uncountable) The state or quality of being odd.odorousHaving a distinctive odor.oestrus(countable) A biting fly of the genus Oestrus; a botfly.oeuvresplural of oeuvreoffcutsplural of offcutoffendsthird-person singular simple present indicative of offendofficesplural of officeoffnessThe quality of being off (in various senses).offsetsplural of offsetoftimes(chiefly US, uncommon) (elsewhere, archaic) Alternative form of ofttimes.oftness(archaic, rare) The quality of happening often; frequency.ogdoadsplural of ogdoadoilcansplural of oilcanoillessLacking, or not using, oil.oilrigsplural of oilrigoldnessThe state of being old; age.oleatesplural of oleateolefinsplural of olefinolingosplural of olingooliversplural of oliverolivetsplural of olivetollamhsplural of ollamhologiesplural of ologyomalous(mathematics) Satisfying an analog of the anomaly cancellation condition.omeletsplural of omeletominousOf or pertaining to an omen or to omens; being or exhibiting an omen; significant.omnibusAn anthology of previously released material linked together by theme or author, especially in book form.omniumsplural of omniumonagersplural of onageroncosisischemic cell death: a process characterized by mitochondrial swelling, cytoplasm vacuolization, and swelling of the nucleus and cytoplasmoncostsplural of oncostoneitis(slang) Attraction towards a single potential partner to the exclusion of other possible partners.oneness(uncountable) The state of being one or undivided; unity.onerousImposing or constituting a physical, mental, or figurative load which can be borne only with effort; burdensome.onesiesplural of onesieoneties(nonce word) The second decade of a century: the 1910s, the 2010s, etc. The tens.onloadsthird-person singular simple present indicative of onloadonsides(sports) Onside: in a legal position with respect to the ball and boundariesonwardsthird-person singular simple present indicative of onwardoocystsplural of oocystoocytesplural of oocyteoodlins(informal) Alternative form of oodles (“lots; a great number or amount”).oofless(UK, slang) Short of money; poor.oogenus(taxonomy) An ootaxon, equivalent to a genus, used to classify fossilised dinosaur eggsoolitesplural of ooliteoolithsplural of oolithoomiaksplural of oomiakoompahsthird-person singular simple present indicative of oompahopacous(obsolete, chiefly poetic) Not shining or illuminated; dark.opaquesplural of opaqueopcodesplural of opcodeopenersplural of openeropenessMisspelling of openness.operonsplural of operonoperousObsolete form of operose.ophitesplural of ophiteopiatesplural of opiateopioidsplural of opioidopposesthird-person singular simple present indicative of opposeoppress(transitive) To keep down by unjust force.opticksObsolete form of optics.optionsplural of optionorachesplural of oracheoraclesplural of oracleorangesplural of orangeorantesplural of oransoratorsplural of oratororblessWithout an orb or orbs.orchidsplural of orchidorchiesplural of orchieordainsthird-person singular simple present indicative of ordainordealsplural of ordealordinesplural of ordooreadesplural of oreadorgasmsplural of orgasmorientsthird-person singular simple present indicative of orientoriginsplural of originoriolesplural of orioleoriscus(music) An ornamental neume of unclear meaning, usually found added to another neume as an auxiliary note.orishasplural of orishaorisonsplural of orisonorphansplural of orphanorthros(Eastern Orthodoxy) The divine office or service at dawn.oscinesplural of oscineosmious(chemistry) Denoting those compounds of osmium in which the element has a valence relatively lower than in the osmic compounds.osmolesplural of osmoleosmosesplural of osmosisosmosis(chemistry) The net movement of solvent molecules, usually water, from a region of lower solute concentration to a region of higher solute concentration through a partially permeable membrane.osmundsplural of osmundospreysplural of ospreyosseinsplural of osseinosseousOf, relating to, or made of bone; bony.ostitisArchaic form of osteitis.ostlersplural of ostlerostosis(physiology) Synonym of osteosis.otariesplural of otaryoustersplural of ousteroutagesplural of outageoutbidsthird-person singular simple present indicative of outbidoutcuss(US, colloquial) To outcurse.outdoesthird-person singular simple present indicative of outdooutfitsplural of outfitouthiss(transitive) To surpass in hissing.outhitsthird-person singular simple present indicative of outhitoutingsplural of outingoutkiss(transitive) To surpass in kissing; to kiss more or better than.outlawsplural of outlawoutlaysplural of outlayoutletsplural of outletoutnessThe quality of being out, or outside.outpass(transitive) To surpass or exceed.outpiss(informal, transitive, vulgar) To urinate longer, higher, in a greater quantity, etc., than.outputsplural of outputoutrunsthird-person singular simple present indicative of outrunoutsetsplural of outsetoutwitsthird-person singular simple present indicative of outwitovariesplural of ovaryovonicsA form of electronics that uses materials able to change from an electrically non-conducting state to a semiconducting state shown by glass of special composition upon application of a certain minimum voltage.owllessLacking owls; without an owl.ownings(rare) Things owned; possessions.ownnessThe property of being one's own.oxcartsplural of oxcartoxfordsplural of oxfordoxtailsplural of oxtailoystersplural of oysterozonousArchaic form of ozonic.