Synonyms of odd

1 Syllable
droll, démodé, rum
2 Syllables
spacey, wacky, kooky, off-base, fluky, oddball, sparer, unapt, surplus, odd-lot, freaky, spacy, gonzo, flakier, oner, rummy, chanced, birdy, screwy, schizo, chancing, rumer, droller, chance, orphic, driftless, dottier, freakier, wackiest, flaky, sundry, fluker, potty, singler, varied, laffer, novel, dotty, random, novels, flukier, freakish, pottier, casual, quirky, rummier, kookier, sparest, wackier, strangest, chancer, fishy, way-out, passer
3 Syllables
unfitting, uneven, crotchety, abnormal, diacritic, surpluses, unusual, unmatched, bizarre, improper, grotesque, half-cracked, capricious, outlandish, eccentric, demoded, old-fangled, seasonal, different, vagarious, unstylish, objectless, unwonted, unaimed, fantastic, contingent, infrequent, nonstandard, unfrequent, fortuitous, whimsical, periodic, gilt-edged, by-the-way, singled-out, aberrant, uncommon, unshared, quizzical, ludicrous, unequal, side-splitting, hare-brained, lucky-dog
4 Syllables
unconforming, individual, out-of-place, out-of-season, unbefitting, accidental, unnatural, incidental, irregular, miscellaneous, old-fashioned, deviative, out-of-style, humorsome, supervenient, unhonored, exceptional, occasional, atypical, anomalous, untypical, unitary, aporetic, fragmentary, remarkable
5 Syllables
unaccountable, inapposite, undefinable, unequivalent, anomalistic, heteroclite, heteromorphic, preternatural, heterogeneous, unprecedented, unordinary, inexplicable, unexplainable, extraordinary, inexplainable, unaccompanied
7 Syllables
unrepresentative