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2 : lacking active conscious knowledge or awareness : UNAWARE

— obliv·i·ous·ly adverb

Synonyms

ignorant, unacquainted, unaware, unconscious, uninformed, unknowing, unwitting—more at IGNORANT

obliv·i·ous·ness noun : the quality or state of being oblivious

Synonyms

ignorance, unawareness—more at IGNORANCE

ob·long adjective : deviating from a square, circular, or spherical form by elongation in one dimension

— oblong noun

ob·lo·quy noun, plural -quies 1 : strongly condemnatory utterance or language

2 : bad repute : DISGRACE

ob·nox·ious adjective 1 : odiously or disgustingly objectionable : highly offensive : REPUGNANT, OFFENSIVE

2 archaic : deserving of censure

— ob·nox·ious·ly adverb

— ob·nox·ious·ness noun

Synonyms

abhorrent, abominable, appalling, awful, distasteful, dreadful, foul, nasty, nauseating, noisome, obscene, odious, offensive, repellent, repugnant, repulsive, revolting—more at OFFENSIVE

oboe noun [ORIGIN: It, fr. F hautbois, fr. haut high + bois wood]

: a woodwind instrument with a slender conical tube and a double reed mouthpiece

— obo·ist noun

ob·scene adjective 1 : disgusting to the senses : REPULSIVE

2 : deeply offensive to morality or decency; especially : designed to incite to lust or depravity

— ob·scene·ly adverb

Synonyms

bawdy, coarse, crude, dirty, filthy, foul, gross, indecent, lascivious, lewd, nasty, pornographic, ribald, smutty, unprintable, vulgar, wanton; also earthy, racy, salty, suggestive; indecorous, unbecoming; debasing, perverted, profane; naughty, wicked; exceptionable, objectionable, unacceptable, undesirable, unwanted, unwelcome; abhorrent, disgusting, loathsome, offensive, repellent, repugnant, repulsive, revolting; distasteful, obnoxious, unpleasant; blamable, blameworthy, censurable, reprehensible; atrocious, infamous; abusive, scurrilous

Antonyms

clean, decent

ob·scen·i·ty noun : the quality or state of being obscene

Synonyms

bawdiness, coarseness, dirt, dirtiness, filth, filthiness, foulness, grossness, indecency, lewdness, nastiness, ribaldry, smut, vulgarity; also raciness, saltiness, suggestiveness; perversion, profanity; naughtiness, wickedness; offensiveness, repulsiveness; obnoxiousness, unpleasantness

ob·scu·ran·tism noun 1 : opposition to the spread of knowledge

2 : deliberate vagueness or abstruseness

— ob·scu·ran·tist noun or adjective

1obscure adjective 1 : emitting or having a limited or insufficient amount of light : DIM, GLOOMY

2 : not readily understood

3 : relatively unknown; also : HUMBLE

— ob·scure·ly adverb

Synonyms

[1] dark, darkling, dim, dusky, gloomy, murky, somber—more at DARK

[2] ambiguous, cryptic, dark, darkling, deep, enigmatic, equivocal, inscrutable, murky, mysterious, mystic, nebulous, occult, unclear, vague; also abstruse, esoteric, recondite; bleary, cloudy, dim, faint, foggy, fuzzy, hazy, indefinite, indistinct, indistinguishable, shadowy, uncertain, undefined, undetermined; impenetrable, incomprehensible; inexplicable; eerie, uncanny, weird; impalpable, inappreciable, intangible, invisible; unanswerable, unknowable; baffling, bewildering, confounding, confusing, mystifying, perplexing, puzzling, unfathomable; difficult, complex, complicated, obtuse

Antonyms

clear, obvious, plain, unambiguous, unequivocal

[3] anonymous, humble, nameless, unknown, unsung; also insignificant, minor, unimportant; undistinguished, unexceptional; unpopular; faceless

Antonyms

celebrated, famed, famous, noted, notorious, prominent, renowned, well-known

2obscure verb ob·scured; ob·scur·ing 1 : to make dark, dim, or indistinct

2 : to conceal or hide by or as if by covering

Synonyms

[1] becloud, befog, blur, cloud, darken, dim, fog, haze, mist, overcast, overshadow, shroud—more at CLOUD

[2] blanket, blot out, cloak, conceal, cover, curtain, enshroud, hide, mask, occult, screen, shroud, veil—more at HIDE

ob·scu·ri·ty noun : the quality or state of being obscure

Synonyms

ambiguity, darkness, murkiness, opacity; also cloudiness, dimness,