Synonyms for Eccentric:
bizarre, implausible, invalid, self-contradictory, fallacious, farcical, irrational, inconsistent, senseless, inane, paradoxical, outlandish, impossible, illogical, ridiculous, nonsensical, preposterous, idiotic, ludicrous, foolish, crazy, contradictory, silly, incongruous, meaningless, absurd, anachronistic.
•bizarre, unusual (adjective)
freakish, outlandish, strange, curious, idiosyncratic, odd, capricious, funny, abnormal, singular, crazy, erratic, uncommon, unnatural, kooky, irregular, unconventional, anomalous, bizarre, flaky, off-center, weird, oddball, aberrant, peculiar, quirky.
inconstant, fitful, irregular, fluctuating, capricious, unrhythmical, sporadic, jerky, quirky, desultory, unsystematic, variable, intermittent, erratic, asymmetric, uneven.
crazy, atypical, nonconforming, aberrant, funny, fey, singular, outlandish, bizarre, misfit, uncustomary, irregular, peculiar, oddball, deviant, crosspatch, uncommon, incongruous, mismatch, idiosyncratic, off, un-ordinary, curious, novel, abnormal, unfamiliar, exceptional, untypical, out of the ordinary, quirky, divergent, unusual, improper, strange, anomalous, oddity, unique, inconsistent, incompatible, deranged, erratic, unconventional, different, odd, extraordinary, freakish.
weird, silly, oddball, comical, laughable, crazy, poppycock, absurd, outrageous, nonsensical, ludicrous, ridiculous, farcical, dubious, foolish, preposterous, bizarre, grotesque, incredible, outlandish, curious.
n.mad, over-the-top, not in your right mind/not right in the head, insane, childish. madwoman, nutjob, maniac, madman, headcase, space cadet, lunatic. •eccentric (noun)
freakish, flaky, bizarre, oddball, freaky, off-centered, nonconcentric, eccentric person, outre, case, off-center, unconventional, acentric, type, outlandish, character, geek.
eccentric person, geek, case, type, character, oddball.
•person who is bizarre, unusual (noun)