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3-Letter O Words by Ending Letter
All 84 3-Letter Words Starting With O
oaf(derogatory) A person, especially a large male, who is clumsy or a simpleton.oak(uncountable) The wood of the oak.oarAn oarsman; a rower.oat(uncountable) Widely cultivated cereal grass, typically Avena sativa.obeObsolete form of obeah.obiA sash worn with a kimono.obj(grammar, programming) Abbreviation of object.obo(colloquial) Alternative letter-case form of OBO: or best offerobs(linguistics) Abbreviation of obsolete.obv(Internet slang, text messaging) Abbreviation of obviously.ocaAny of species Oxalis tuberosa (syn. Oxalis crenata), which bear edible tubers.occ(informal) Clipping of occupational.och(chiefly Scotland, Ireland) general interjection of confirmation, affirmation, and often disapproval.oct(computing, informal) Abbreviation of octal.odaA room within a harem.oddDiffering from what is usual, ordinary or expected.odeA short poetical composition proper to be set to music or sung; a lyric poem; especially, now, a poem characterized by sustained noble sentiment and appropriate dignity of style.ofc(Internet slang, text messaging) Abbreviation of of course.offIn a direction away from the speaker or other reference point.oft(chiefly poetic, dialectal, and in combination) often; frequently; not rarelyohmIn the International System of Units, the derived unit of electrical resistance; the electrical resistance of a device across which a potential difference of one volt causes a current of one ampere.ohnAlternative form of on (“without”).ohoExpressing surprise or gloating realisation; aha.oic(Internet slang) Alternative form of OIC (“oh, I see”).oik(slang, UK, Ireland, Commonwealth) a member of the lower classes.okaA unit of volume in Egypt (and formerly Turkey) corresponding to about 1.2 litres.oki(colloquial) Alternative form of OK.olaAlternative form of olay.oldOf an object, concept, relationship, etc., having existed for a relatively long period of time.oleAn interjection used to stir up excitement.olmProteus anguinus, a cave-dwelling neotenous salamander with external gills, found along the coast from northeastern Italy to Montenegro.oma(among people of German-speaking ancestry) Grandmother, grandma.ome(biology) The totality of a certain type of biological entity in an organism etc., e.g. the genome or proteome.omg(chiefly Internet, slang) Alternative form of OMG:omoClipping of omorashi.oneThe number represented by the Arabic numeral 1; the numerical value equal to that cardinal number.ong(Internet slang, text messaging) Alternative letter-case form of ONG.onoAbbreviation of or near(est) offer.ons(Singapore, Malaysia, transitive, colloquial) third-person singular simple present indicative of onony(Geordie) Alternative form of any.oof(onomatopoeia) A sound mimicking the loss of air, as if someone's solar plexus had just been struck.oohAn expression of surprise.ook(onomatopoeia) Used to represent the sound of the cry of an ape or monkey.oom(South Africa) An older man, especially an uncle. (Frequently as a respectful form of address.)ooohugs (usually placed at the end of a letter or in text messaging, sometimes alongside xxx meaning kisses)oopAlternative form of oops.oot(Geordie) anythingopa(among people of German-speaking ancestry) Grandfather, grandpa.ope(US, chiefly Midwestern US) An exclamation of surprise; oops.oppAbbreviation of opposite.opt(intransitive) To choose; select.oraplural of os (“anatomical opening”)orbA spherical body; a sphere, especially one of the celestial spheres; a sun, planet, or starorc(fantasy, mythology) A mythical evil monstrous humanoid creature, usually quite aggressive and often green.ordAbbreviation of order.oreA unit of currency used in England around the 10th to 12th centuries.orf(medicine) An exanthemous disease caused by a parapox virus, occurring primarily in sheep and goats but also capable of infecting humans.orgClipping of organization.orl(in some British dialects, now rare) An alder tree.orn(transitive, obsolete) To ornament; to adorn.ort(usually in the plural) A fragment; a scrap of leftover food; any remainder; a piece of refuse.oshA Tajik dish of rice cooked with meat and oil; a kind of pilaf.osm(Internet slang) awesome; like OK, can be used to express enthusiastic approval.oso(Manglish, Singlish) Pronunciation spelling of also, representing Singapore English.oss(dialectal) To set about, or intend be inclined to set about (doing something).ostObsolete form of oast.othObsolete spelling of oath.oto(informal, fishkeeping) An otocinclus (freshwater fish, genus Otocinclus).ott(Internet slang) An otter.oud(music) A short-necked and fretless plucked stringed instrument of the lute family, of Arab and Turkish origin.oui(dated or humorous) Synonym of yes.oul(Ireland, Mid-Ulster) Alternative form of ould.oup(regional) Pronunciation spelling of up.ourBelonging to us, excluding the person(s) being addressed (exclusive our).outAway from the inside or centre.ova(cytology, embryology) plural of ovum (“gamete”)owe(ditransitive) To be under an obligation to give something back to someone or to perform some action for someone.owl(by extension) A person seen as having owl-like characteristics, especially appearing wise or serious, or being nocturnally active.owt(Northern England) Aught, anything.oww(text messaging, regional) Alternative spelling of aww, indicating affection or disappointmentoxo(chemistry, in combination) A substituent oxygen atom connected to another atom by a double bond.oxy(chemistry) The bivalent R-O-R functional group found in ethers.oylObsolete spelling of oil.ozsplural of oz; ounces
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