8-Letter Words Starting With O and Ending With R

Explore 114 matching words, including objector, obscener, obscurer, observer, obsessor.

Other Ending Letters

All 114 Matching Words

objectorA person who objects to something.obscenercomparative form of obscene: more obsceneobscurercomparative form of obscure: more obscureobserverOne who makes observations, monitors or takes notice.obsessorOne who is obsessive about something.obtainerOne who obtains.obtruderSomeone who obtrudes.obtunderThat which obtunds or blunts; especially, that which blunts sensibility.obviatorOne who obviates.occluderAn object that partially or completely impedes the amount of light reaching the eye.occlusor(anatomy) A muscle that closes an opening.occulterAny object, natural or man-made, that blocks the light of an object from an observer, typically used in reference to astronomical events.occupierOne who occupies, particularly with respect to a foreign government controlling the territory of another.odometerAn instrument, usually embedded within the speedometer of a vehicle, that measures the distance the vehicle has traveled since production.odoriserAlternative form of odorizer.odorizerA device to add odor to a gas.offcomer(UK) A newcomer to a place.offenderOne who gives or causes offense, or does something wrong.offendorObsolete form of offender.offlinerA person who is offline; one not using the Internet or similar service.offscour(transitive, rare, archaic) To remove by, or as if by, scouring; to scrub away.offsider(Australia, New Zealand, informal) A partner, assistant, or deputy.ohmmeter(physics) A portable device for measuring relatively small values of electrical resistance.oilpaperA translucent, waterproof paper made by soaking in oil.oldcomerAn immigrant or the descendant of immigrants who has lived in their new environment long enough to become well-established.oldtimerAn elderly person.oleanderNerium oleander, a notoriously poisonous shrub in the dogbane family, Apocynaceae, but nonetheless widely grown as an ornamental, having leathery lance-shaped leaves and deep rose-colored or white flowers.oleasterA plant in the family Elaeagnaceae,olfactorA smelling organ; a nose or similar organ.oligomer(chemistry) A compound intermediate between a monomer and a polymer, normally having a specified number of units between about five and a hundred.onballer(Australian rules football) Any of the three players (the ruckman, ruck rover, and rover) who usually follow the ball around the ground rather than occupying a fixed position.onelinerAlternative form of one-liner.onhangerThat which, or one who, hangs on to, relies on, or is dependent upon another; a dependent.onlookerA spectator; someone looks on or watches, without becoming involved or participating.onsetter(mining, historical, UK, dialect, Northern England) A worker at the bottom of a mineshaft who exchanges the empty and full corves.opacular(obsolete) opaqueoperatorA person or organisation that operates a device, system, service, etc.opificer(obsolete) A person who creates or makes something.opinator(obsolete) An opinionated person, or someone who holds an opinion.oppugnerSomeone who oppugns; an opponent.optionerAlternative form of optionor.optionorThe grantor of a financial option.oracularOf or relating to an oracle.oralizerOne who oralizes.ordainerA person (usually a clergyman) who ordains.orgasmerA person who orgasmsorgygoer(rare) Alternative form of orgy-goer.orienterA person or thing that orients.orneriercomparative form of ornery: more orneryorometerAn aneroid barometer having a second scale that gives the approximate elevation above sea level of the place where the observation is made.oromotor(anatomy) Relating to the movement of the mouth.orphaner(dated) Synonym of orphan.ossifierOne who, or that which, ossifies.ostiolarOf or pertaining to the ostiole.ostregerObsolete form of austringer.outcaper(transitive) To surpass in capering.outcheer(transitive) To cheer more or louder than.outcomerIn China, a person who comes from another place; an outsider.outcrierOne who cries out or proclaims; a herald or crier.outfoxerSomeone who outfoxes.outhomer(baseball) To score more home runs than another player.outhumor(transitive) To surpass in humor; to be funnier than.outlaborAlternative form of outlabour.outlinerOne who or that which draws an outline.outliver(obsolete) A survivor.outpower(transitive) To surpass in power.outragerOne who outrages.outremerAn area beyond the sea.outriderA guide or escort, especially one who rides in advance.outroper(law, obsolete) An auctioneer.outsiderOne who is not part of a community or organization.outsolerOne who fits the outsoles to shoes.outsteer(transitive) To steer better than.outswear(transitive) To swear (use vulgar or profane language) more frequently or powerfully than.outtower(transitive) To rise higher than; to tower above.outvoterOne who casts a vote in an election held in an area in which they do not live.outwager(transitive) To wager more than.overawerOne who overawes.overbear(transitive) To push through by physical weight or strength; to overwhelm, overcome.overdearToo dear; too highly valued.overdoerSomeone who overdoes something.overdoorA decoration, usually a painting, that is placed above a doorway.overfear(transitive) To fear excessively; to be too afraid of.overgear(automotive) Synonym of overdrive (“a gear higher than the traditional top gear”)overgoerOne who goes over (something); an overcomer, conqueror.overhairThe long hair overlying the fur of many animals.overhear(ambitransitive) To hear something that was not meant for one's ears.overlierA piece that overlies or overlaps.overnearToo near; too close.overpair(poker) A pocket pair of a higher rank than the community cards on the board.overpeerTo peer over; to overlook.overpourTo pour an excessive amount.overseerOne who oversees or supervises.oversoarTo soar over or aboveoversourOverly or excessively sour; too sour.overstir(transitive) To stir too much.overuserOne who overuses.overwear(transitive) To wear out; to exhaust.overyear(UK, dialect) Kept over from the previous year.ovicular(biology, archaic) Of, resembling, or pertaining to an egg.ovulatorAn animal that ovulates (typically, in a specified manner)oxdriverA person who drives or guides an ox or a yoke of oxenoxidator(obsolete) An oxidizer.oxidiserNon-Oxford British English standard spelling of oxidizer.oxidizer(chemistry) An oxidizing agent, especially one used to oxidize the fuel of a rocket or a fuel cell.oximeter(chemistry) A device that measures the quantity of oxygen in something, particularly air in the atmosphere.oxpeckerEither of two species of passerine bird in the genus Buphagus, endemic to the sub-Saharan African savanna.oxyester(organic chemistry) An ester of an oxyacidoxymeter(dated, now nonstandard) Alternative spelling of oximeter.oystererOne who finds and sells oysters.ozonatorA device that produces a supply of ozone by passing a silent electrical discharge through oxygenozoniserAlternative form of ozonizer.ozonizerA device that converts oxygen into ozone, normally by means of a silent electrical discharge; an ozone generator.ozraptorAn Australian dinosaur of the genus Ozraptor