on | (adjective) in operation or operational | - |
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(adjective) (of events) planned or scheduled | - |
(adverb) with a forward motion | Synonyms: along |
(adverb) indicates continuity or persistence or concentration | - |
(adverb) in a state required for something to function or be effective | - |
onager | (noun) Asiatic wild ass | Synonyms: Equus hemionus |
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(noun) small catapult used by the Romans | - |
onanism | (noun) manual stimulation of the genital organs (of yourself or another) for sexual pleasure | Synonyms: masturbation |
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(noun) a method of birth control in which coitus is initiated but the penis is deliberately withdrawn before ejaculation | Synonyms: coitus interruptus, pulling out, withdrawal, withdrawal method |
onanist | (noun) a person who practices masturbation | Synonyms: masturbator |
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once | (adverb) on one occasion | Synonyms: in one case, one time |
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(adverb) at a previous time | Synonyms: at one time, erst, erstwhile, formerly |
(adverb) as soon as | - |
onchocerciasis | (noun) infestation with slender threadlike roundworms (filaria) deposited under the skin by the bite of black fleas; when the eyes are involved it can result in blindness; common in Africa and tropical America | Synonyms: river blindness |
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oncidium | (noun) any orchid of the genus Oncidium: characterized by slender branching sprays of small yellow and brown flowers; often grown as houseplants | Synonyms: butterfly orchid, butterfly plant, dancing lady orchid |
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oncogene | (noun) a gene that disposes normal cells to change into cancerous tumor cells | Synonyms: transforming gene |
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oncologic | (adjective) of or relating to or practicing oncology | Synonyms: oncological |
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oncological | (adjective) of or relating to or practicing oncology | Synonyms: oncologic |
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oncologist | (noun) a specialist in oncology | - |
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oncology | (noun) the branch of medicine concerned with the study and treatment of tumors | - |
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oncoming | (adjective) moving toward one | - |
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(noun) the beginning or early stages | Synonyms: onset |
one | (adjective) used of a single unit or thing; not two or more | Synonyms: 1, ane, i |
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(adjective) being a single entity made by combining separate components | - |
(adjective) (informal) very; used informally as an intensifier | Synonyms: right |
(adjective) eminent beyond or above comparison | Synonyms: matchless, nonpareil, one and only, peerless, unmatchable, unmatched, unrivaled, unrivalled |
(adjective) indefinite in time or position | - |
(adjective) of the same kind or quality | - |
(adjective) having the indivisible character of a unit | Synonyms: unitary |
(noun) a single person or thing | - |
(noun) the smallest whole number or a numeral representing this number | Synonyms: 1, ace, I, single, unity |
oneiric | (adjective) of or relating to or suggestive of dreams | - |
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oneirism | (noun) absentminded dreaming while awake | Synonyms: air castle, castle in Spain, castle in the air, daydream, daydreaming, reverie, revery |
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oneiromancer | (noun) someone who divines through the interpretation of dreams | - |
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oneiromancy | (noun) divination through the interpretation of dreams | - |
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oneness | (noun) the quality of being united into one | Synonyms: unity |
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onerous | (adjective) not easily borne; wearing | Synonyms: burdensome, taxing |
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onerously | (adverb) in an onerous manner | - |
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onerousness | (noun) unwelcome burdensome difficulty | Synonyms: burdensomeness, heaviness, oppressiveness |
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onetime | (adjective) belonging to some prior time | Synonyms: erstwhile, former, old, one-time, quondam, sometime |
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ongoing | (adjective) currently happening | Synonyms: on-going |
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onion | (noun) an aromatic flavorful vegetable | - |
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(noun) bulbous plant having hollow leaves cultivated worldwide for its rounded edible bulb | Synonyms: Allium cepa, onion plant |
(noun) the bulb of an onion plant | - |
onionskin | (noun) a thin strong lightweight translucent paper used especially for making carbon copies | Synonyms: flimsy |
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onkos | (noun) A high ornate headdress worn by the performers of Greek tragedy. | - |
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online | (adjective) connected to a computer network or accessible by computer | Synonyms: on-line |
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(adjective) on a regular route of a railroad or bus or airline system | Synonyms: on-line |
(adjective) being in progress now | Synonyms: on-line |
onlooker | (noun) someone who looks on | Synonyms: looker-on |
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only | (adjective) exclusive of anyone or anything else | Synonyms: alone |
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(adjective) being the only one; single and isolated from others | Synonyms: lone, lonesome, sole, solitary |
(adverb) with nevertheless the final result | - |
(adverb) without any others being included or involved | Synonyms: alone, entirely, exclusively, solely |
(adverb) and nothing more | Synonyms: but, just, merely, simply |
(adverb) never except when | Synonyms: only if, only when |
(adverb) in the final outcome | - |
(adverb) as recently as | - |
(adverb) except that | - |
onomancer | (noun) one who practices onomancy | - |
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onomancy | (noun) divination by the letters of a name | - |
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onomastic | (adjective) of or related to onomastics | - |
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onomasticon | (noun) a list of proper nouns naming persons or places | - |
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onomastics | (noun) the branch of lexicology that studies the forms and origins of proper names | - |
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onomatomania | (noun) obsession with a particular word which the person uses repeatedly or which intrudes into consciousness | - |
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onomatopoeia | (noun) using words that imitate the sound they denote | - |
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onomatopoeic | (adjective) (of words) formed in imitation of a natural sound | Synonyms: echoic, imitative, onomatopoeical, onomatopoetic |
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(adjective) of or relating to or characterized by onomatopoeia | Synonyms: onomatopoetic |
onomatopoeical | (adjective) (of words) formed in imitation of a natural sound | Synonyms: echoic, imitative, onomatopoeic, onomatopoetic |
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onomatopoetic | (adjective) (of words) formed in imitation of a natural sound | Synonyms: echoic, imitative, onomatopoeic, onomatopoeical |
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(adjective) of or relating to or characterized by onomatopoeia | Synonyms: onomatopoeic |
onrush | (noun) (military) an offensive against an enemy (using weapons) | Synonyms: attack, onset, onslaught |
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(noun) a forceful forward rush or flow | - |
onset | (noun) (military) an offensive against an enemy (using weapons) | Synonyms: attack, onrush, onslaught |
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(noun) the beginning or early stages | Synonyms: oncoming |
onshore | (adjective) (of winds) coming from the sea toward the land | Synonyms: inshore, shoreward |
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(adjective) on the edge of the land | - |
(adverb) on or toward the land | - |
onside | (adjective) not offside; being within the prescribed area of play | - |
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onslaught | (noun) (military) an offensive against an enemy (using weapons) | Synonyms: attack, onrush, onset |
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(noun) the rapid and continuous delivery of linguistic communication (spoken or written) | Synonyms: barrage, bombardment, outpouring |
(noun) a sudden and severe onset of trouble | - |
onstage | (adjective) situated or taking place on the area of a stage visible to the audience | - |
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(adverb) on the stage | - |
ontogenesis | (noun) (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level | Synonyms: development, growing, growth, maturation, ontogeny |
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ontogenetic | (adjective) of or relating to the origin and development of individual organisms | - |
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ontogeny | (noun) (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level | Synonyms: development, growing, growth, maturation, ontogenesis |
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ontological | (adjective) of or relating to ontology | - |
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ontology | (noun) the metaphysical study of the nature of being and existence | - |
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(noun) (computer science) a rigorous and exhaustive organization of some knowledge domain that is usually hierarchical and contains all the relevant entities and their relations | - |
onus | (noun) an onerous or difficult concern | Synonyms: burden, encumbrance, incumbrance, load |
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onward | (adverb) forward in time or order or degree | Synonyms: forth, forward |
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(adverb) in a forward direction | Synonyms: ahead, forrader, forward, forwards, onwards |
onwards | (adverb) in a forward direction | Synonyms: ahead, forrader, forward, forwards, onward |
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onycholysis | (noun) separation of a nail from its normal attachment to the nail bed | - |
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onychophoran | (noun) any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms | Synonyms: peripatus, velvet worm |
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onychosis | (noun) any disease or disorder of the nails | - |
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onymous | (adjective) bearing a name | - |
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onyx | (noun) a chalcedony with alternating black and white bands; used in making cameos | - |
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onyxis | (noun) toenail having its free tip or edges embedded in the surrounding flesh | Synonyms: ingrown toenail |
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