odd

1 being one of a pair or set without a corresponding mate somehow, there's always at least one odd sock that comes out of the dryer Synonyms unmatched, unpaired Related Words alone, lone, only, single, singular, sole, solitary Antonyms matched, paired

2 different from the ordinary in a way that causes curiosity or suspicion odd behavior that prompted one of the waiting passengers to alert airport security Synonyms bizarre, bizarro, cranky, crazy, curious, eccentric, erratic, far-out, funky, funny, kinky, kooky (also kookie), offbeat, off-kilter, off-the-wall, outlandish, out-of-the-way, outré, peculiar, quaint, queer, queerish, quirky, remarkable, rum [chiefly British], screwy, spaced-out, strange, wacky (also whacky), way-out, weird, weirdo, wild Related Words aberrant, abnormal, addlepated, flaky; extraordinary, fantastic (also fantastical), freak, freakish, freaky, phantasmagoric (or phantasmagorical), phenomenal; atypical, rare, singular, uncommon, uncustomary, unique, unusual, unwonted; conspicuous, notable, noticeable, outstanding, prominent, salient, striking; atrocious, outrageous, shocking; crotchety, idiosyncratic, nonconformist, nonmainstream, out-there, unconventional, unorthodox; baffling, bewildering, confounding, mystifying, perplexing, puzzling Near Antonyms average, commonplace, everyday, garden, normal, ordinary, prosaic, routine, run-of-the-mill, standard, typical, unexceptional, unremarkable, usual, workaday; conformist, conservative, conventional; expected, familiar, knee-jerk, predictable; common, customary, frequent, habitual, regular, wonted

3 being out of the ordinary the only odd grade for the exam was the one perfect score Synonyms aberrant, aberrated, abnormal, anomalous, atypical, especial, exceeding, extraordinaire, extraordinary, freak, exceptional, peculiar, phenomenal, preternatural, rare, singular, uncommon, uncustomary, unique, unusual, unwontedRelated Words conspicuous, notable, noticeable, outstanding, prominent, remarkable, salient, striking; bizarre, deviant, eccentric, freakish, monstrous, oddball, outlandish, quaint, strange, weird; incomprehensible, inconceivable, incredible, unimaginable, unthinkableNear Antonyms everyday, familiar, frequentAntonyms common, customary, normal, ordinary, typical, unexceptional, unextraordinary, usual

4 noticeably different from what is generally found or experienced the odd occurrences in the area attracted the attention of people interested in psychic phenomena Synonyms curious, extraordinary, funny, unusual, offbeat, out-of-the-way, peculiar, queer, rare, singular, strange, unaccustomed, uncommon, uncustomary, unique, weirdRelated Words bizarre, eccentric, far-out, kooky (also kookie), oddball, outlandish, outré, way-out; aberrant, abnormal, atypical, exceptional, irregular; newsworthy, notable, noteworthy, noticeable, particular, remarkable, specialNear Antonyms unexceptional; expected, predictable; familiar, normal, regular, typicalAntonyms common, ordinary, plain, usual

5 not often occurring or repeated with the exception of the odd sick day, he never takes time off from work Synonyms isolated, occasional, infrequent, rare, sporadicRelated Words scarce, scattered, uncommon, unique, unusual; choppy, discontinuous, erratic, fitful, intermittent, irregular, spasmodic, spotty, unsteadyNear Antonyms daily, regular; common, ordinary, routineAntonyms frequent