Word origins

• one'sBelonging to one.
• onfallA falling on or upon; an attack, onset, or assault.
• on fireBeing burned by fire.
• on footOn one's feet; walking, jogging or running but not in a vehicle or on the back of an animal.
• ongangA start-up; beginning; commencement (of activity, work, machinery, etc.); a setting in motion.
• on handAvailable; ready; in stock.
• on highTo a high position; or up in, or to, the sky; above.
• onlinessThe state of being alone or unique.
• only-begottenBeing the only child of one’s parent (especially one’s father)
• onlyhoodthe condition of being unique, single, or alone
• onsendTo send; send on; send out; forward; transmit.
• ontakeTo take on; undertake; assume.
• open-arseThe medlar fruit.
• open seaThat part of the sea out of sight of land.
• oppilateTo block, to stop up, to obstruct.
• oppositto posit or assume as a contradictory; negative or deny
• opprobryOpprobrium.
• -orCreates an agent noun, often from a verb, indicating a person or object (often machines or parts of them) that do the verb or part of speech with which they are formed.
• orchilAny of several lichens, especially those of the genera Roccella and Lecanora.
• ordalianOf or relating to trial by ordeal.
• ordureDung, excrement.
• orfevrerieThe work or trade of a goldsmith.
• orgueilPride.
• orgulitypride
• orgulousArrogant, haughty, proud.
• orlopThe platform over the hold of a ship that makes up the fourth or lowest deck, hence in full called orlop deck, especially of a warship.
• orpedBold, brave, valiant; active, alert; self-assured, hardy, vigorous.
• orpedlyBoldly; bravely; stoutly.
• orphreyAny elaborate embroidery, especially when made of gold thread; an object (such as clothing or fabric) adorned with such embroidery.
• orpimentArsenic trisulphide, occurring naturally in crystals or massive deposits, formerly used as a dye or pigment.
• -oryAdded to nouns and verbs (often Latinate) to form adjectives meaning “of”, “pertaining to”, or “serving for”.
• -osityForming nouns, usually abstract, and usually from adjectives in -ous or -ose.
• otherlyPertaining to something or someone else; different.
• othersomeSome others.
• otherwardToward an other.
• oucheA brooch or clasp for fastening a piece of clothing together, especially when set with jewels or valuable.
• -ourUsed to form abstract nouns of state, quality, or action from Latin or French roots.
• Our LadySynonym of Mary, mother of Jesus, particularly in Catholic contexts.
• ournOurs.
• -ouspossession of
• out-External to, on the outside of
• outbearTo bear out; support.
• outblowTo blow out (all senses)
• outbreakingThe act of breaking out; an outbreak.
• outbringTo bring out; deliver; utter; express.
• outbyeIn the direction away from the coal face.
• outcomelingA stranger; foreigner.
• outcomingThat comes out.
• outcreepTo creep or crawl out.
• outdrinkTo drink more than (someone else).
• outfangthiefA privilege of some feudal lords permitting them to execute summary judgment upon thieves (particularly their own tenants) captured outside their estates and to keep any chattels forfeited upon conviction.
• outgangAn exit or egress.
• outgoerOne who or that which goes out or departs.
• outhaulTo haul out.
• outholdTo hold out; extend.
• outlawryA declaration that an individual cannot benefit from the protection of law in a jurisdiction.
• outleadTo lead out.
• out ofFrom the inside to the outside of.
• outscrapeTo escape
• outseekTo seek out; actively or diligently search for; investigate; research.
• outsendTo send out or forth; issue; emit; transmit; broadcast.
• outshoveTo shove harder or better than; outcompete by shoving
• outshowTo show or present publicly; exhibit openly.
• outsoundTo sound out (all senses)
• outspeedTo exceed in speed or velocity; outstrip.
• outstretchTo extend by stretching.
• outsweatTo sweat out or cause to sweat out
• outwinTo win a way out (of); to escape (from).
• ouzeMud.
• over-Above, or higher.
• overaboundTo be too abundant or plentiful.
• overagedaged too much
• overbearTo carry over.
• overbearerone who overbears or is overbearing
• overbideTo outlive; survive.
• overbitterlyin an overbitter manner
• overblowTo cover with blossoms or flowers.
• overboldToo bold; impertinent or overreaching.
• overboldnessThe state or fact of being too bold; audacity.
• overbreakTo cave in near the edge of an excavation.
• overbusilyin an overbusy manner
• overbusyExcessively busy; officious.
• overcarkTo overcharge; overburden; harass.
• overcarryTo carry too far, or beyond the proper point.
• overclimbTo climb over.
• overcloseIn too great a proximity.
• overclotheto clothe over; enwrap in/with clothing
• overclothingthe act or process of enwrapping (oneself) in clothing
• overcoldExcessively cold.
• overcomeableable to be overcome; surmountable.
• overcoverTo cover over.
• overcrossto cross over; traverse
• overcrueloverly or excessively cruel
• overdearToo dear; too highly valued.
• overdedeOverdoing; excess.
• overdelicateExcessively delicate.
• overdelicatelyIn an overdelicate manner.
• overdrinkTo drink to excess.
• overeagerlyIn an overeager manner.
• overengrossedoverly or excessively engrossed