The best little site that helps you understand word usage with examples.

Words that Start with O

o'clock o'er o's oaf oafish oafishly oafishness oafs oak oaken oaks oakum oar oar's oared oarfish oaring oarlock oars oarsman oases oasis oast oat oatcake oatcake's oatcakes oaten oath oaths oatmeal oats obduracy obdurate obdurately obedience obedient obediently obeisance obeisant obelisk obese obesity obey obeyed obeying obeys obfuscate obfuscated obfuscates obfuscating obfuscation obfuscations obi obit obiter obituaries obituary object object's objected objectification objectifications objectified objectifies objectify objectifying objecting objection objection's objectionable objectionably objections objective objectively objectiveness objectives objectivism objectivist objectivistic objectivity objectless objector objector's objectors objects objurgate objurgated objurgates objurgating oblast oblate oblation oblations obligate obligated obligates obligating obligation obligation's obligations obligator obligatorily obligatory oblige obliged obliges obliging obligingly obligor obligors oblique obliquely obliqueness obliquity obliterate obliterated obliterates obliterating obliteration obliterations obliterator oblivion oblivions oblivious obliviously obliviousness oblong obloquy obnoxious obnoxiously obnoxiousness oboe oboes oboist obscene obscenely obscenities obscenity obscurant obscurantism obscurantist obscuration obscure obscured obscurely obscurer obscures obscuring obscurities obscurity obsequies obsequious obsequiously obsequiousness obsequy observable observably observance observance's observances observant observantly observation observation's observational observationally observations observatories observatory observe observed observer observers observes observing obsess obsessed obsesses obsession obsession's obsessions obsessive obsessively obsidian obsolesce obsolescence obsolescent obsolete obsoleteness obsoletes obstacle obstacle's obstacles obstetric obstetrical obstetrically obstetrician obstetrician's obstetricians obstetrics obstinacy obstinate obstinately obstreperous obstreperously obstreperousness obstruct obstructed obstructer obstructing obstruction obstruction's obstructionism obstructionist obstructions obstructive obstructively obstructs obtain obtainable obtained obtaining obtainment obtains obtrude obtruded obtrudes obtruding obtrusion obtrusive obtrusively obtrusiveness obtund obtuse obtusely obtuseness obverse obvert obviate obviated obviates obviating obviation obviations obvious obviously obviousness ocarina occasion occasional occasionally occasioned occasioning occasions occident occidental occipital occlude occluded occludes occluding occlusion occlusion's occlusions occlusive occult occultation occultism occultist occupancies occupancy occupant occupant's occupants occupation occupation's occupational occupationally occupations occupied occupier occupiers occupies occupy occupying occur occurred occurrence occurrence's occurrences occurring occurs ocean ocean's oceanfront oceanic oceanographer oceanographer's oceanographers oceanographic oceanographically oceanography oceans ocelot ochre ochre's ocotillo octagon octagonal octagons octahedral octahedron octal octane octant octant's octants octave octaves octavo octet octillion octogenarian octopus octoroon ocular oculist odalisque odd oddball oddball's oddballs odder oddest oddities oddity oddity's oddly oddment oddness odds ode ode's odes odious odiously odiousness odium odometer odometer's odometers odorant odoriferous odorise odorised odorises odorising odorous odorously odour odour's odourless odours odyssey oedema oedema's oedemas oedematous oedipal oesophagus oestrogen oestrous oestrus oeuvre oeuvres of off offal offbeat offence offence's offences offend offended offender offenders offending offends offensive offensively offensiveness offensives offer offered offering offerings offers offertories offertory offhand offhanded offhandedly offhandedness office office's officeholder officeholders officemate officemates officer officer's officered officers offices official official's officialdom officially officials officiate officiated officiates officiating officinal officio officious officiously officiousness offing offish offline offload offloaded offloading offloads offprint offs offset offset's offsets offsetting offshoot offshore offside offspring offstage oft often oftener oftentimes ogee ogle ogled ogles ogling ogre ogress oh ohm ohmmeter ohmmeter's ohmmeters ohms oho oil oilcan oilcloth oiled oilfield oilier oiliest oiliness oiling oilman oilmen oils oilseed oilseeds oilskin oilstone oily ointment ointments okapi okay okay's okays okra old olden older oldest oldie oldies oldness oldster oldsters oldwife oleaginous oleander oleanders olefin oleic oleograph oleomargarine oleoresin olfaction olfactory oligarch oligarchic oligarchy oligopoly olio olive olive's olives olivine olla ombudsman ombudsman's ombudsperson omega omegas omelette omen omen's omens omicron ominous ominously omissible omission omission's omissions omit omits omitted omitting omni omnibus omnificence omnificent omnipotence omnipotent omnipresence omnipresent omniscience omniscient omnisciently omnivore omnivorous omnivorously on once oncology oncoming one one's oneness onerous onerously ones oneself onetime ongoing onion onions onionskin online onlooker onlookers only onomatopoeia onomatopoeia's onomatopoeic onrush onrushing onset onset's onsets onshore onside onslaught onslaughts onstage onto ontogenesis ontogenetic ontogenetically ontogeny ontological ontologically ontology onus onward onwards onyx oodles ooh oolong oomph oops ooze oozed oozes oozier oozing oozy op opacities opacity opal opal's opalescence opalescent opals opaque opaquely opaqueness opcode open opencast opened opener openers openhandedly openhearted openheartedly openheartedness opening opening's openings openly openness opens openwork opera opera's operability operable operand operand's operandi operands operant operas operate operated operates operatic operatically operating operation operational operationally operations operative operatively operatives operator operator's operators operculum operetta ophidian ophthalmic ophthalmologic ophthalmologist ophthalmology ophthalmoscope opiate opiates opine opined opines opining opinion opinion's opinionated opinionatedly opinionative opinions opium opossum opponent opponent's opponents opportune opportunely opportunism opportunist opportunistic opportunistically opportunities opportunity opportunity's opposability opposable oppose opposed opposes opposing opposite oppositely oppositeness opposites opposition oppositional oppositions oppress oppressed oppresses oppressing oppression oppressive oppressively oppressiveness oppressor oppressor's oppressors opprobrious opprobrium oppugn oppugner ops opt opted optic optical optically optician opticians optics optima optimal optimality optimally optimisation optimisation's optimisations optimise optimised optimiser optimiser's optimisers optimises optimising optimism optimist optimistic optimistically optimists optimum opting option option's optional optionally options optometric optometrist optometrists optometry opts opulence opulent opulently opus opuses or oracle oracle's oracles oracular oral orally orals orange orange's orangeade orangeroot orangery oranges orangewood orangey orate orated orates orating oration oration's orations orator orator's oratorical oratories oratorio oratorios orators oratory oratory's orb orbicular orbit orbital orbited orbiter orbiting orbits orca orchard orchard's orchards orchestra orchestra's orchestral orchestras orchestrate orchestrated orchestrates orchestrating orchestration orchestrations orchid orchid's orchidaceous orchids ordain ordained ordaining ordainment ordains ordeal ordeals order ordered ordering orderings orderlies orderliness orderly orders ordinal ordinance ordinance's ordinances ordinand ordinaries ordinarily ordinariness ordinary ordinate ordinates ordination ordinations ordnance ordnances ordure ore ore's oregano ores organ organ's organdie organelle organic organically organics organism organism's organisms organist organist's organists organization organization's organizational organizationally organizations organize organized organizer organizers organizes organizing organs organza orgasm orgasmic orgasms orgiastic orgies orgy orgy's oriel orient oriental orientate orientated orientates orientating orientation orientation's orientations oriented orienteering orienting orients orifice orifice's orifices origami origin origin's original originality originally originals originate originated originates originating origination originations originator originator's originators origins oriole orioles orison orlop ormolu ornament ornamental ornamentally ornamentation ornamentations ornamented ornamenting ornaments ornate ornately ornery ornithology ornithology's orotund orphan orphanage orphanages orphaned orphaning orphans orpiment orrery ort orthicon ortho orthoclase orthodontia orthodontic orthodontics orthodontist orthodontists orthodox orthodoxy orthogonal orthographic orthographical orthographically orthographies orthography orthopaedic orthopaedics orthopaedist orthophosphate orthophosphates orthorhombic orts oscillate oscillated oscillates oscillating oscillation oscillation's oscillations oscillator oscillator's oscillators oscillatory oscilloscope oscilloscope's oscilloscopes oscilloscopic oscine osculate osculated osculates osculating osculation osier osmium osmosis osmotic osprey ospreys osseous ossification ossifications ossified ossify ossuary ostensible ostensibly ostensive ostentation ostentations ostentatious ostentatiously osteopath osteopathic osteopaths osteopathy osteoporosis ostracise ostracised ostracises ostracising ostracism ostrich ostrich's ostriches other other's otherness others otherwise otherworldliness otherworldly otiose otolaryngology otology otter otter's otters oubliette ouch ought oughtn't ounce ounces our ours ourselves oust ousted ouster ousting out outage outage's outages outback outbalance outbid outboard outboards outbound outbrave outbreak outbreak's outbreaks outbreed outbuilding outburst outburst's outbursts outcast outcast's outcaste outcasts outclass outclassed outcome outcome's outcomes outcries outcrop outcrops outcross outcry outdate outdated outdistance outdistanced outdistancing outdo outdoor outdoors outdoorsman outdoorsy outdraw outdrew outer outermost outface outfall outfield outfielder outfielders outfight outfighting outfit outfit's outfits outfitted outfitter outfitting outflank outflow outflows outfought outfox outgas outgiving outgo outgoes outgoing outgoingness outgoings outgrew outgrip outgrow outgrowing outgrown outgrows outgrowth outguess outgun outhaul outhouse outing outing's outings outland outlander outlanders outlandish outlandishly outlandishness outlast outlasts outlaw outlawed outlawing outlawry outlaws outlay outlay's outlays outlet outlet's outlets outlier outliers outline outlined outlines outlining outlive outlived outlives outliving outlook outlying outman outmanoeuvre outmanoeuvred outmanoeuvres outmanoeuvring outmatch outmatched outmode outmoded outmoding outmost outnumber outnumbered outnumbering outnumbers outpace outpaced outpatient outpatients outperform outperformed outperforming outperforms outplay outplayed outpoint outpost outpost's outposts outpour outpouring outpourings output output's outputs outputted outputting outrace outrage outraged outrageous outrageously outrageousness outrages outraging outrange outrank outreach outride outrider outrigger outriggers outright outrival outrun outruns outs outscore outscoring outsell outset outshine outshone outshoot outside outsider outsider's outsiders outsight outsize outsized outskirt outskirts outsmart outsmarted outsmarting outsmarts outsoar outsole outspend outspent outspoken outspokenly outspokenness outspread outstand outstanding outstandingly outstare outstation outstay outstretch outstretched outstrip outstripped outstripping outstrips outtake outtalk outthink outturn outvote outvoted outvotes outvoting outward outwardly outwards outwash outwear outweigh outweighed outweighing outweighs outwit outwith outwits outwitted outwitting outwork outworn ouzel ouzo ova oval oval's ovals ovarian ovaries ovary ovary's ovate ovation ovations oven oven's ovenbird ovenbirds ovenproof ovens ovenware over overabundance overabundant overachieve overachieved overachiever overachieves overachieving overact overactive overage overaggressive overall overall's overalls overarch overarching overawe overbalance overbear overbearing overbearingly overbid overbite overblown overboard overbought overbuild overburden overburdened overburdening overburdens overbuy overcall overcalled overcalling overcalls overcame overcapacity overcapitalisation overcapitalisation's overcapitalisations overcapitalise overcapitalised overcapitalises overcapitalising overcast overcautious overcharge overcoat overcoat's overcoats overcome overcomes overcoming overcompensate overcompensation overconfidence overconfident overconfidently overcooked overcooled overcrowd overcrowded overcrowding overcrowds overcurious overdevelop overdeveloped overdo overdoing overdone overdose overdose's overdosed overdoses overdosing overdraft overdraft's overdrafts overdraw overdrawing overdrawn overdraws overdress overdrew overdrive overdriving overdue overeager overeagerly overeat overeaten overeater overeating overeducated overemphasis overemphasise overemphasised overemphasises overemphasising overestimate overestimated overestimates overestimating overestimation overestimations overexcite overexcited overexcitement overexploitation overexploited overexpose overexposure overextend overextended overextending overextends overextension overfed overfeed overfill overfilled overfilling overfills overflow overflowed overflowing overflows overgenerous overgraze overgrazing overgrow overgrown overgrowth overhand overhang overhanging overhangs overhaul overhauled overhauling overhauls overhead overheads overhear overheard overhearing overhears overheat overheated overheating overheats overindulge overindulged overindulgence overindulgent overjoyed overkill overkill's overlabour overlabours overlaid overland overlap overlap's overlapped overlapping overlaps overlay overlaying overlays overleaf overleap overlie overload overloaded overloading overloads overlong overlook overlooked overlooking overlooks overlord overlords overloud overly overlying overmaster overmatch overmuch overnice overnight overnighter overnighters overnights overoptimistic overoptimistically overpaid overpass overpay overpayment overplay overplayed overplaying overpopulate overpopulated overpopulation overpower overpowered overpowering overpoweringly overpowers overpressure overprice overpriced overprint overprinted overprinting overprints overprize overproduce overproduced overproduces overproducing overproduction overprotect overprotection overprotective overran overrate overrated overreach overreached overreaches overreact overreaction overridden override overrides overriding overripe overrode overrule overruled overrules overruling overrun overrunning overruns overseas oversee overseeing overseen overseer overseers oversees oversell overselling oversells oversensitive overset oversexed overshadow overshadowed overshadowing overshadows overshoe overshoes overshoot overshooting overshoots overshot oversight oversight's oversights oversimplification oversimplifications oversimplified oversimplifies oversimplify oversimplifying oversize oversized overskirt oversleep oversold overspecialisation overspecialisation's overspecialisations overspecialise overspecialised overspecialises overspend overspending overspends overspent overspill overspread overstaff overstaffed overstaffing overstate overstated overstatement overstatement's overstatements overstates overstating overstay oversteer overstep overstepped overstepping oversteps overstock overstocks overstrain overstraining overstress overstressed overstrike overstrikes overstuff overstuffed overstuffing overstuffs oversubscribe oversubscribed oversubscribes oversubscribing oversupply overt overtake overtaken overtakes overtaking overtax overtaxed overthrew overthrow overthrowing overthrown overthrows overtime overtly overtone overtone's overtones overtook overtop overtrade overtrick overtrump overture overture's overtures overturn overturned overturning overturns overtype overtyping overuse overvalue overview overview's overviews overweening overweigh overweight overwhelm overwhelmed overwhelming overwhelmingly overwhelms overwork overworked overworking overworks overwrite overwrites overwriting overwritten overwrote overwrought overzealous oviduct oviform ovine oviparous ovipositor ovoid ovoviviparous ovular ovulate ovulated ovulates ovulating ovulation ovulations ovule ovum owe owed owes owing owl owl's owlet owlish owlishly owls own owned owner owner's owners ownership ownerships owning owns ox oxalate oxalic oxalis oxblood oxbow oxcart oxen oxeye oxidant oxidation oxidations oxidative oxide oxide's oxides oxidisation oxidisation's oxidisations oxidise oxidised oxidiser oxidisers oxidises oxidising oxtail oxyacetylene oxygen oxygenate oxygenated oxygenates oxygenating oxygenation oxygenations oxygenic oxygenise oxygenises oxymoron oyez oyster oyster's oystercatcher oysterman oystermen oysters oz ozone ozonosphere List More
Save

All words

List More

Starting With

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
© 2013 Inasentence.org Teacher Approved Open Source Work. Powered by Wordnik, Wikipedia, PhpBB, HN Board and Sourceforge. Creative Commons License