10 Letter Words Starting With O

Every 10-letter word that starts with the letter O, in alphabetical order. Tap any word for its definitions, syllables and game scores.

ALL WORDS A TO Z

o'flaherty18 oak beauty18 oak blight19 oak button15 oak canker19 oak family21 oak fungus17 oak veneer16 oak-leaved17 oast house12 oast-house12 oat-shaped15 oaten reed10 oath-bound15 obdurately16 obediently16 obeisantly15 obeliskoid17 oberhausen15 obfuscated18 obituaries12 objectival24 objectless21 objurgated21 objurgator20 oblateness12 obligation13 obligatory16 obligingly17 obliterate12 oblongness13 obnouncing15 obnubilate14 obpyriform22 obrenovich20 obrogation13 obscuredly18 obsecrated15 obsequence23 obsequious21 observable17 observably20 observance17 observedly19 obsidional13 obsolesced15 obsoletely15 obsoleting13 obstetrics14 obstinance14 obstructed15 obstructer14 obstructor14 obtainable14 obtainment14 obtruncate14 obturating13 obturation12 obtuseness12 obumbrated17 obvolution15 obvolutive18 occamistic18 occasional14 occidental15 occultness14 occupation16 occupative19 occupiable18 occurrence16 ocean pout13 ocean trip13 oceanarium14 oceanfront15 oceangoing14 oceanicity17 oceanology16 ocellation12 ochlocracy22 ochronosis15 oconomowoc19 octahedral16 octahedron16 octal base13 octamerous14 octangular13 octastylos15 octavalent15 october 1211 october 2411 octodecimo17 octogenary16 octonaries12 octonarius12 octupcated17 oculomotor14 odd fellow17 odd hassel14 odd person13 odd-jobber22 odd-jobman22 odd-shaped17 odds-maker17 odelsthing15 oder river13 odiousness11 odobenidae14 odocoileus13 odontalgia12 odontalgic14 odontaspis13 odontiasis11 odontoceti13 odontogeny15 odontolite11 odontology15 odsbodkins18 oecumenism16 oedogonium14 oenologist11 oesophagus16 oestradiol11 off and on15 off chance22 off limits17 off market21 off season15 off-and-on15 off-bearer17 off-bitten17 off-center17 off-centre17 off-chance22 off-colour17 off-flavor21 off-limits17 off-roader16 off-season15 off-street15 off-taking20 off-thrown21 offendable19 offendedly21 offendible19 office boy22 office-boy22 officeless18 officerial18 officially21 officiated19 officiator18 offishness19 offsetting17 oftentimes15 ogden nash14 oglethorpe16 ohio river15 oil beetle11 oil burner11 oil cartel11 oil cellar11 oil change15 oil colour11 oil column13 oil engine10 oil feeder13 oil filter12 oil future12 oil groove13 oil heater12 oil rigger11 oil rivers12 oil switch17 oil tanker13 oil tycoon14 oil yellow15 oil-bright15 oil-driven13 oil-harden13 oil-heated13 oireachtas15 oka cheese18 okeechobee21 okey-dokey24 okra plant15 oktastylos17 okuninushi17 old bailey15 old codger14 old colony15 old duffer17 old fellow16 old french18 old fustic15 old geezer20 old granny14 old growth17 old master12 old person12 old school15 old sledge12 old stager11 old turkey17 old wheeze25 old-boyish18 old-school15 old-wifely19 oldfangled16 oleaginous11 oleic acid14 oleo-resin9 oleography19 oleophilic17 oleophobic19 oligarchic18 oligoclase13 oligoporus13 oligopsony16 oliguresis11 oliguretic13 olivaceous15 olive bark18 olive drab15 olive gnat13 olive gray16 olive knot16 olive plum16 olive tree12 olive-clad15 olive-drab15 olive-gray16 olive-grey16 olive-like16 olive-pale14 olive-tree12 olof palme16 olympiadic20 omani rial11 ombrellino14 omelet pan13 omeprazole23 omissively18 ommatidial15 ommatidium17 omnificent17 omnipotent14 omniscient14 omnivorous15 omophagist18 omophorion17 omphalotus17 on and off15 on average13 on purpose13 on request18 on the dot12 on the fly17 on the job20 on the sly14 on the way17 on-license11 on-the-job20 onagraceae13 once again12 oncogenous13 oncologist13 one accord14 one by one13 one fourth15 one-celled12 one-cusped14 one-dollar10 one-eighth16 one-finned13 one-footed13 one-fourth15 one-handed14 one-hitter12 one-hoofed16 one-horned13 one-humped17 one-ideaed11 one-leaved13 one-letter9 one-lunger10 one-member15 one-minute11 one-on-one8 one-person11 one-piecer13 one-reeler9 one-seeded11 one-to-one8 one-valued13 one-winged14 oniomaniac14 onion dome12 onion foot12 onion roll9 onion salt9 onion smut11 onion stem11 onion-eyed13 only human17 only think19 onobrychis20 onomastics14 onosmodium15 ontogenist11 ontologise11 ontologism13 ontologist11 oophoritis15 oort cloud12 opacifying21 opacimeter16 opal glass12 opalescent14 opalescing15 opaque gem23 opaqueness21 open chain16 open court13 open enemy16 open forum16 open frame16 open heart14 open house14 open order12 open sight15 open space15 open stock17 open union11 open weave17 open wound15 open-armed14 open-chain16 open-eared12 open-ended13 open-faced17 open-field15 open-frame16 open-front14 open-heart14 open-joint18 open-newel14 open-shelf17 open-sided13 openhanded17 opera hood15 opera star11 operatable14 operate on11 operations12 operculate14 operettist12 ophicleide18 ophidiidae17 ophiolater15 ophiolatry18 ophisaurus15 ophthalmia20 ophthalmic22 opinicuses14 opisthenar15 oppilating15 oppilation14 opposingly18 oppositely17 opposition14 oppositive17 oppression14 oppressive17 opprobrium18 opsonizing22 optatively18 optic axis20 optic disc16 optic disk18 optimistic16 optimizing24 optionally15 optometric16 opuntiales12 or circuit13 oracularly15 oral phase14 oral smear11 oral stage10 orang-utan10 orange bat12 orange gum13 orange red11 orange tip12 orange-red11 orange-tip12 orangeburg14 orangeness11 orangewood15 orangutang12 oratorical12 oratorlike14 oratorship15 orb weaver17 orb-weaver17 orbiculate14 orcharding17 orchardist16 orchardman18 orchectomy22 orchestral15 orchidales16 orchiditis16 orchiopexy27 ordainable13 ordainment13 order arms12 order book16 order code13 order form15 order port12 ordinarily14 ordination11 ordonnance13 ordovician16 ore bridge13 ore digger12 ore hearth15 ore-mining12 oregon ash13 oregon fir13 oregon oak14 oreopteris12 organ desk15 organ fish16 organ loft13 organ pipe14 organ stop12 organ-pipe14 organicism15 organicist13 organicity16 organising12 organismal13 organismic15 organizing21 organology15 orichalcum19 orientalia10 orientalis10 orientally13 orientated11 originable13 originally14 originated12 originator11 orinasally13 oriskanian14 orlop deck18 orly group15 ornamental12 ornamented13 ornateness10 orneriness10 ornithopod16 ornithosis13 orogenesis11 orogenetic13 orographic18 orological13 oronasally13 oropharynx25 orotundity14 orphanhood19 orphically20 orthoclase15 orthoepist15 orthogenic16 orthogonal14 orthopaedy19 orthopedic18 orthopneic17 orthopnoea15 orthopraxy25 orthoptera15 orthoptics17 orthoptist15 orthoscope17 orthostyle16 orthotomus15 ortonville13 os hamatum16 os lunatum11 oscheocele17 oscillated13 oscillator12 oscitation12 oscularity15 osculating13 osculation12 osculatory15 osier-like13 osmaterium14 osmeterium14 osmidrosis13 osmiridium15 osmometric16 ossiculate12 ossiferous13 osso bucco15 osteectomy17 ostensible12 ostensibly15 ostensoria10 osteoblast12 osteoclast12 osteologer11 osteolysis13 osteopathy18 osteophyte18 osterreich15 ostracised13 ostracizer21 ostracodan13 ostryopsis15 oswego tea13 otc market17 other face17 other from17 other half18 other self15 other side13 other than15 other-self15 othergates14 otherguess14 otherwhere19 otherwhile19 otherworld17 otis tarda10 otological13 otoplastic14 otter gear10 otter raft12 otterhound14 otto cycle16 otto loewi12 otus scops13 otus sunia9 ouananiche15 our father15 ouse river12 out sister9 out-basket15 out-relief12 outarguing12 outbalance14 outbanning13 outbargain13 outbarring13 outbatting13 outbegging15 outbending14 outbidding15 outblazing22 outblossom14 outblotted13 outblowing16 outblunder13 outbluster12 outbragged15 outbraving16 outbreathe15 outbribing15 outbridged15 outbrought16 outbudding15 outbulging14 outburning13 outcaroled13 outcaviled16 outchasing16 outchatter15 outchidden17 outchiding17 outclassed13 outcompass16 outcricket18 outcropped17 outcursing13 outcutting13 outdancing14 outdeiling12 outdeilled12 outdodging14 outdrawing15 outdriving15 outdwelled15 outdweller14 outechoing16 outer face14 outer side10 outer skin13 outfeeding15 outfencing16 outfielder14 outfigured15 outfit car14 outfitting14 outflaming16 outflanker17 outflaring14 outflatter13 outflowing17 outgeneral11 outglaring12 outglitter11 outgnawing15 outgrinned12 outgrowing15 outgunning12 outhearing14 outhitting14 outissuing11 outjetting18 outjourney20 outjutting18 outkitchen19 outlancing13 outlandish14 outleading12 outlet box18 outlighten14 outlipping15 outmanning13 outmarried13 outmeasure12 outpatient12 outperform17 outpitying16 outplanned13 outpleased13 outplodded15 outplotted13 outpopping17 outpouring13 outpraised13 outpraying16 outpricing15 outproduce15 outpromise14 outpursued13 output lag12 outqueried20 outquibble23 outquoting20 outrageous11 outranging12 outrapping15 outreading12 outrhyming19 outribbing15 outrigging13 outringing12 outrivaled14 outroguing12 outromance14 outsallied11 outsatisfy16 outscoring13 outseeking15 outselling11 outshaming16 outshaping16 outshining14 outshoving17 outshowing17 outsinging12 outsinning11 outsitting11 outskipped19 outslander11 outslidden12 outsliding12 outsmiling13 outsnoring11 outspanned13 outsparkle16 outspeeded14 outspinned13 outspruing13 outstagger12 outstaring11 outstartle10 outstating11 outstation10 outstature10 outstepped15 outstretch15 outstriven13 outstudied12 outsumming15 outswagger15 outsweeten13 outswindle14 outswinger14 outtearing11 outteasing11 outtelling11 outthieved17 outthought17 outthunder14 outtongued12 outtrading12 outtrotted11 outvaluing14 outvoicing16 outvoyaged18 outwarring14 outwasting14 outwearied14 outwearing14 outweaving17 outweeping16 outwitting14 outwrangle14 outwrestle13 outwriggle15 outwriting14 outwritten13 oval chuck23 oval-faced18 ovariotomy18 ovate leaf15 oven broil14 oven-dried14 oven-ready16 over again13 over there15 over-large13 over-round13 over-swell15 over-under13 overabound16 overabsorb17 overabused16 overacting16 overaction15 overactive18 overaffect21 overaffirm21 overargued15 overassert13 overassess13 overassume15 overbaking20 overbearer15 overbetted16 overbitter15 overblamed18 overblanch20 overbleach20 overblithe18 overblouse15 overborrow18 overbought19 overbraced18 overbraked20 overbright19 overbrowse18 overbrutal15 overburden16 overbusily18 overbuying19 overcasual15 overcensor15 overchafed22 overcharge19 overchased19 overclever18 overclothe18 overcoming18 overcommon19 overcostly18 overcredit16 overcumber19 overdainty17 overdazzle32 overdearly17 overdebate16 overdeepen16 overdemand17 overderide15 overdesire14 overdigest15 overdilate14 overdilute14 overdosage15 overdosing15 overdozing24 overdrawer17 overdredge16 overdriven17 overeasily16 overeating14 overeffort19 overelated14 overemploy20 overexcite22 overexpand23 overexpect24 overexpend23 overexpose22 overextend21 overfacile18 overfagged19 overfamous18 overfatten16 overfierce18 overfilter16 overfining17 overflavor19 overflight20 overflorid17 overfluent16 overflying20 overfondle17 overforced19 overforged18 overformed19 overfrugal17 overfulfil19 overgamble18 overgenial14 overgentle14 overgently17 overgifted18 overgilded16 overgirded16 overglance16 overgloomy19 overgovern17 overgraded16 overgrazed24 overgreasy17 overgreedy18 overgrieve17 overground15 overgrowth20 overguilty17 overhanded18 overhandle17 overharass16 overharden17 overhasten16 overhatted17 overhearer16 overhearty19 overheated17 overhomely21 overhonest16 overhumane18 overhumble20 overijssel20 overimport17 overimpose17 overinsist13 overinsure13 overinvest16 overiodize23 overjading22 overjoyful26 overjoyous23 overlander14 overlapped18 overlather16 overlavish19 overlaying17 overliking18 overlinger14 overlively19 overliving17 overloaded15 overlooked18 overlooker17 overloving17 overmanage16 overmanned16 overmantel15 overmaster15 overmatter15 overmature15 overmeddle17 overmellow18 overmighty22 overminute15 overmodest16 overmodify22 overnarrow16 overnicety18 overnormal15 overnursed14 overobject24 overoffend20 overpained16 overpamper19 overparted16 overpaying19 overpeople17 overplease15 overplenty18 overplying19 overpolice17 overpolish18 overpotent15 overpraise15 overpriced18 overprized25 overprolix22 overprompt19 overproved19 overpruned16 overpunish18 overraking18 overrating14 overreduce16 overrefine16 overremiss15 overresist13 overreward17 overridden15 overriding15 overrigged16 overruling14 oversating14 overscored16 overseason13 oversecure15 overseeing14 overserene13 oversetter13 oversettle13 oversevere16 oversewing17 overshaded18 overshadow20 overshined17 overshrink20 oversilent13 oversimple17 overslaugh17 oversleeve16 overslight17 oversmooth18 oversocial15 oversoften16 oversolemn15 overspeedy19 overspiced18 overspread16 overstarch18 overstated14 overstayed17 oversteady17 overstitch18 overstored14 overstowed17 overstrain13 overstress13 overstrict15 overstride14 overstrike17 overstrive16 overstrode14 overstrong14 overstrove16 overstrung14 oversubtle15 oversubtly18 oversupped18 oversupply20 oversurety16 overtaking18 overtalker17 overtaught17 overtender14 overthrong17 overthrust16 overtiming16 overtinsel13 overtipple17 overtiring14 overtopped18 overturing14 overturned14 overurging15 overvalued17 overvaried17 overwarily19 overwarmed19

10 LETTER WORDS BY FIRST LETTER26

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

O WORDS BY LENGTH14

2-letter O words 3-letter O words 4-letter O words 5-letter O words 6-letter O words 7-letter O words 8-letter O words 9-letter O words 10-letter O words 11-letter O words 12-letter O words 13-letter O words 14-letter O words 15-letter O words

See the bigger listsAll 10 letter words, or every word starting with O.

10 letter words Words starting with O