คำศัพท์ภาษาอังกฤษตัว O

รายการคำศัพท์ภาษาอังกฤษที่ขึ้นต้นด้วยตัว O จำนวน 1,712 คำ คลิกคำศัพท์เพื่อดูคำแปล ชนิดคำ คำพ้อง และตัวอย่างประโยค

คำศัพท์ตัว O

O O level O.K.o.n.o o'clock o'er oaf oafish oak oak apple oak tree oaken oakum oar oarlock oarsman oarsmen oasis oast oat oat cake oath oatmeal oats ob-obduracy obdurate obdurately obedience obedient obediently obeisance obelisk obese obesity obey obfuscate obit obiter dicta obiter dictum obituary object object against object ball object glass object lens object lesson object to objectification objectify objection objectionable objectionably objective objective case objectively objectiveness objectivism objectivity objector objet d'art objurgate oblate oblation obligate obligated obligation obligatory oblige oblige by oblige to oblige with obliged obliging oblique obliquely obliqueness obliquity obliterate oblivion oblivious obliviously obliviousness oblong obloquy obnoxious obnoxiously obnoxiousness oboe oboist obs obscene obscenely obscenity obscurantism obscure obscurely obscurity obsecrate obsequies obsequious obsequiously obsequiousness observable observance observant observantly observation observation car observatory observe observe on / upon observer observing obsess obsess with / by obsession obsessional obsessive obsessively obsidian obsolesce obsolescence obsolescent obsolete obsoleteness obstacle obstacle course obstacle race obstetric obstetrical obstetrician obstetrics obstinacy obstinate obstinately obstreperous obstruct obstruction obstructionism obstructionist obstructive obstructively obstructiveness obtain obtain for obtain from obtainable obtrude obtrude on / upon obtrusion obtrusive obtrusively obtrusiveness obtuse obtuse angle obtusely obtuseness obverse obviate obvious obviously obviousness ocarina occasion occasional occasional table occasionally occident occidental occiput occlude occlusion occult occult science occultism occultist occupancy occupant occupation occupational occupational disease occupational therapist occupational therapy occupationally occupied occupier occupy occupy in occupy with occur occur to occurrence ocean ocean greyhound ocean liner ocean-going oceanfront Oceania oceanic oceanography ocelot och ocher ochre OCR Oct oct-octa-octagon octahedral octahedron octameter octane octane number octant octave octavo octet octo-October octogenarian octopus octroi ocular oculist OD odd Odd Fellow odd jobs odd man out odd-bod odd-job man oddball oddity oddly oddment oddments oddness odds odds and ends odds-on ode Odin odious odiously odiousness odium odometer odontalgia odontologist odontology odor odoriferous odoriferously odorless odorous odorously odour odour colon odour of sanctity Odysseus odyssey oedema Oedipal Oedipus complex oesophagus oestrogen oeuvre of of all the nerve Of all things!of benefit (to)of late of no avail of one's own accord of one's own free will of the first water of the old school off off again, on again off and on off chance off colour off duty off guard off limits off one's nut off one's oats off one's rocker off one's trolley off season off someone / something goes off the air off the beaten track off the cuff off the record off the top of one's head off the wall off to a running start off your face off your rocker off your trolley off-balance off-Broadway off-center off-centre off-duty off-hour off-key off-licence off-limits off-peak off-putting off-road off-season off-the-cuff off-the-shelf off-white offal offbeat offcially offcut offday offed Offenbach offence offend offend against offend with offended offendedly offender offending offense offenseless offensive offensively offensiveness offer offer for offer to offer up offering offertory offhand office office block office boy office girl office hours office worker office-bearer office-holder officer official official receiver officialdom officialese officialism officially officiant officiate officiate as officiate at officinal officious officiously officiousness offie offing offish offline offload offprint offset offset press offshoot offshore offside offspring offstage offstreet offtrack oft often oftentimes ogee ogive ogle ogle at ogre ogress oh Oh, boy!oh, yeah?ohm Ohm's law ohmmeter oho OHP oi oik oil oil color oil colour oil field oil paint oil painting oil pan oil rig oil shale oil slick oil someone's palm oil tanker oil the wheels oil well oil-bearing oil-fired oil-rich oilcan oilcloth oiled oilfield oiliness oilman oilpaper oilseed rape oilskin oilstone oily oily rag oink ointment OJ OK okapi okay okey-doke okey-dokey okra old old age old bat Old Bill old boy old chap old country Old English Old English sheepdog old enough to be someone's father old enough to be someone's mother old flame old fogey Old French old fruit old girl Old Glory old guard old hand old hand (at something)old hand at do something old hat old heave-ho old lady old lag old maid old man old master Old Nick Old Norse old people's home old soldier old stager Old Testament old woman Old World old-age pension old-age pensioner old-established old-fashioned old-time old-timer old-world olde olde worlde olden oldie oldie but goodie oldish oldster oldstyle ole oleaginous oleander oleomargarine olfaction olfactory olig-oligarch oligarchy oligo-olive olive branch olive oil olive-green Oliver Cromwell Olympia Olympiad Olympian Olympic Olympic Games Olympics Olympus Omar Khayyam ombudsman omega omelet omelette omen ominous ominously omission omit omit from omni-omnibus omnipotence omnipotent omnipresence omnipresent omniscience omniscient omnivore omnivorous on on a / the tank on a diet on a first-name basis (with)on a par with on a tight leash on account on account of on active duty on again, off again on all fours on and off on appro on approval on average on behalf of on board on call on cloud nine on deck on deposit on duty on earth on edge on foot on good terms (with)on guard on hold on holiday on in years on no account on occasion on one's (own) head be it on one's best behaviour on one's feet on one's guard on one's honour on one's mind on one's own on one's toes on one's way (somewhere)on order on pins and needles on record on sale on schedule on second thoughts on someone's / something's last legs on someone's account on someone's back on someone's behalf on someone's doorstep on someone's say-so on someone's shoulders on speaking terms (with)on tap on target on the air on the alert (for)on the ball on the beam on the bench on the blink on the button on the cards on the contrary on the dot on the double on the eve of on the face of it on the fritz on the game on the go on the horizon on the horns of a dilemma on the hot seat on the hour on the house on the job on the juice on the level on the look-out (for)on the loose on the make on the market on the mend on the move on the nose on the off chance on the one hand on the other hand on the pill on the point of on the q.t.on the rocks on the sauce on the sly on the spot on the spur of the moment on the squiff on the street on the strength of on the take on the telephone on the track of on the trail of on the verge of on the wagon on the waiting-list on the war-path on the watch for on the way (somewhere)on the whole on the wing on the wrong track on time on tiptoe on top on top of on top of the world on trial on view On your bike!on your bike!1 on your bike!2 On your Todd on-air on-screen once once and for all once in a blue moon once or twice once over lightly once upon a time once-in-a-lifetime chance once-over oncologist oncology oncoming one one and all one and only one and the same one another one at a time one by one one first-name terms (with)one for the record (books)one for the road One good turn deserves another one in a hundred one in a million one in a thousand one in the eye for one jump ahead (of)one means business one more one move ahead (of)one of these days one too many one way or another one-armed bandit one-eye one-horse one-liner one-man one-man band one-man show one-night stand one-off one-on-one one-parent family one-person one-piece one-shot one-sided one-step one-stop one-to-one one-track one-track mind one-up one-up (on)one-upmanship one-way one-way street one-way traffic one-woman One's bark is worse than one's bite.one's better half one's blood be up one's blood run cold one's days are numbered one's eyes are bigger than one's stomach One's heart goes out to someone.One's heart is in one's mouth one's heart is in the right place one's heart is set on one's heart misses a beat one's heart skips a beat one's heart stands still one's luck be in one's luck runs out one's name is mud one's nose is in the air one's number is up one's tail is between one's legs one's way of life one's words stick in one's throat one's work is cut out (for one)oneness oner onerous onerously onerousness oneself onetime ongoing onion onion skin online onlooker onlooking only only child only have eyes for only way to go onomatopoeia onomatopoeic onrush onset onshore onside onslaught onstage onto onto someone / something ontology onus onward onwards onyx oodles oof oomph ooze away ooze out ooze1 ooze2 oozy1 oozy2 op op art op. cit.opacity opal opalesce opalescent opaline opaque OPEC open open a can of worms open and above-board open book open day open fire (on)open fire on open house open into open letter open market open marriage open off open on open one's heart (to)open onto open out open Pandora's box open prison open season open season for open secret open sesame open someone's eyes (to)open the door to open to open town open up open verdict open with open-air open-and-shut case open-and-shut-case open-book open-door open-ended open-eyed open-heart surgery open-minded open-mindedness open-mouthed open-neck open-necked open-plan opener openhanded openhearted opening opening hours opening night opening time opening up openly openness openwork opera opera glasses opera hat operable operant operate operate against operate from operate on operatic operating room operating system operating table operating theatre operation operational operational research operations research operative operator operetta operose ophthalmia ophthalmic ophthalmic optician ophthalmologist ophthalmology ophthalmoscope opiate opine opinion opinion poll opinionated opium opium poppy opossum opponency opponent opportune opportunely opportunism opportunist opportunistic opportunity oppose oppose to opposed opposing opposite opposite sex opposites attract Opposition oppress oppressed oppression oppressive oppressively oppressor opprobrious opprobrium opt opt for opt in opt out opt-out optative optic optical optical character recognition optical disc optical disk optical fiber optical fibre optical illusion optically optician optics optimal optimise optimism optimist optimistic optimize optimum option optional optionee optometrist optometry opulence opulent opus or or else or so oracle oracular oral oral tradition orally orange orange squash orangeade orangery orangutan orate oration orator oratorical oratorio oratory1 oratory2 orb orbit orbital orchard orchestra orchestral orchestral pit orchestrate orchestration orchestrator orchid ordain ordeal order order about / around order book order form order from order in order of the day order off order out Order Paper order up ordered ordering orderliness orderly ordinal ordinal number ordinance ordinand ordinarily ordinary ordinary level ordinary share ordinate ordination Ordnance Survey map ordure ore oregano org organ organ loft organ-grinder organdie organdy organic organic chemistry organisation organisational organise organised organiser organism organist organization organizational organize organized organizer organza orgasm orgasmic orgiastic orgy oriel Orient oriental orientalist orientate orientate oneself orientation orienteering orifice origami origin original original sin originality originally originate originate from originate in originate with origination originator origmi oriole Orion orison Orleanist Orleans orlop orlop deck Ormolu ornament ornament with ornamental ornamentally ornamentation ornate ornately ornateness ornery ornithological ornithologist ornithology orography orotund orotundity orphan orphanage Orpheus Orphic orpiment Orpington orth-ortho-orthochromatic orthodontics orthodontist orthodox Orthodox Church orthodoxy orthographic orthography orthopaedic orthopaedics orthopedic orthopedics orthopedist oryx Osaka Oscar oscillate oscillate about / around oscillate between oscillation oscillator oscillatory oscilloscope osculate osier Oslo osmium osmosis osmotic osmotic pressure osmunda osprey osseous ossification ossify ostensible ostensibly ostentation ostentatious ostentatiously osteoarthritis osteopath osteopathic osteopathy osteoporosis ostler ostracise ostracism ostracize ostrich otalgia Othello other other than other way round other woman other world other-directed other-worldliness other-worldly otherness otherwise otic otiose otiosely otioseness otitis otolaryngology otology otorrhea otorrhoea OTT Ottawa otter Ottoman Ottoman Empire OU ouch ought ought to Ouija board ounce our Our Lady ours ourself ourselves oust oust from ouster out out and about out cold out from under out in force out like a light out of out of all proportion out of bounds out of breath out of character out of circulation out of commission out of condition out of consideration (for)out of control out of courtesy (to)out of date out of fashion out of favour (with)out of hand out of it out of keeping with out of kilter out of line (with)out of luck out of necessity out of one's element out of one's head out of one's mind out of one's way out of order out of place out of practice out of print out of reach out of season out of service out of shape out of sight Out of sight, out of mind.out of sorts out of step (with)out of stock out of the blue out of the corner of one's eye out of the frying-pan into the fire out of the ordinary out of the question out of the running out of the swim of things out of the way out of the woods out of the world out of time out of touch (with)out of town out of tune (with)out of turn out of work out of your tree1 out of your tree2 out on a limb out on ball out on parole out on the town out the gazoo out to lunch out tray out-out-and-out out-of-bound out-of-date out-of-door out-of-doors out-of-pocket out-of-pocket expense out-of-state out-of-town out-of-work out-take outage outback outbalance outbid outboard outboard engine outboard motor outbound outbreak outbuilding outburst outcast outcaste outclass outclassed outcome outcrop outcry outdated outdid outdistance outdo outdone outdoor outdoors outed outer outer belt outer space outermost outerwear outface outfall outfield outfit outfitter outflank outflow outfox outgaze outgeneral outgo outgoing outgoings outgone outgrew outgrow outgrown outgrowth outguess outgun outhouse outing outlaid outlander outlandish outlast outlaw outlawry outlay outlet outline outlive outlook outlying outmaneuver outmanoeuver outmanoeuvre outmoded outmost outnumber outpace outpatient outperform outperformance outplacement outplay outpoint outpost outpour outpouring output outrage outrageous outrageously outrageousness outran outrank outre outreach outridden outride outrider outrigger outright outrival outrode outrun outsell outset outshine outshoot outside outside broadcast outsider outsize outsized outskirts outsmart outsoar outsole outsource outsourcing outspoken outspokenly outspokenness outspread outstanding outstandingly outstay outstock outstretch outstretched outstrip outta outvote outward outward bound outwardly outwards outwear outweigh outwent outwit outwore outwork outworker outworn ouzo ova oval ovarian ovary ovate ovation oven oven glove oven mitt oven-ready ovenproof over over again over against over and above over and done with over and over over and over (again)over and over again over easy over my dead body over the counter over the hill over the hump over the odds over the top over the way over-over-the-air over-the-counter overabundance overabundant overact overage overall overall majority overalls overarch overarm overate overawe overbalance overbear overbearing overbite overblouse overblown overboard overbook overbuild overbuilt overburden overcall overcame overcapacity overcapitalize overcapitalized overcast overcharge overcloud overclouded overcoat overcome overcompensate overcook overcrossing overcrowd overcrowd with overcrowded overcrowding overdevelop overdeveloped overdid overdo overdone overdose overdraft overdraw overdrawn overdress overdressed overdrew overdrive overdriven overdrove overdue overeaching overeat overeaten overeating overemphasis overemphasize overestimate overestimation overexcited overexpand overexpose overexposure overextend overextended overfed overfeed overfill overfishing overflew overflight overflow overflow with overflowing overflown overfly overfull overgrew overground overgrow overgrown overgrowth overhand overhang overhaul overhead overhead camshaft overhead projector overhead railway overheads overhear overheard overheat overheated overhung overjolt overjoyed overkill overladen overlaid overlain overland overlap overlay overleaf overlie overload overlong overlook overlord overly overly much overmanned overmaster overmuch overnight overpaid overpass overpay overpayment overplay overpopulated overpower overpowering overprint overproduce overprotective overqualified overran overrate overreach overreach oneself overreact overreaction overridden override overriding overripe overrode overrule overrun oversaw overseas oversee overseen overseer oversell oversensitive overset oversexed overshadow overshoe overshoes overshoot overshot oversight oversimplify oversize oversized overskirt oversleep overslept oversold overspend overspent overspill overspread overstaffed overstate overstatement overstay oversteer overstep overstock overstrain overstretch overstretched overstrung oversubscribed overt overt act overtake overtaken overtax overthrew overthrow overthrown overtime overtire overtired overtly overtone overtook overtop overtrade overtrain overtrump overture overturn overuse overvalue overview overweening overweigh overweight overwhelm overwhelming overwind overwinter overwork overworked overwrite overwritten overwrote overwrought Ovid Ovidian oviduct oviform oviparous ovoid ovulate ovule ovum owe owe for owe it to owe to owing owing to owl owlet owlish own own goal own to own up own-brand own-label owner owner-occupied owner-occupier ownership ox ox-eyed oxalic acid oxalis oxbow Oxbridge oxcart oxen oxeye oxford Oxford accent Oxford blue Oxford English Oxfordshire oxheart oxidant oxidation oxide oxidisation oxidise oxidization oxidize oxidizing agent oxlip Oxon Oxonian oxtail oxyacetylene oxygen oxygen mask oxygen tent oxygenate oxygenation oxyhemoglobin oxyhydrogen oxymoron oyes oyez Oympiad oyster Oz