Synonyms of eccentric

1 Syllable

outré, odd, freak, droll, beat, weird, loon, wack, bent, quaint, queers, queer, wild

2 Syllables

wacky, quainter, curious, kooky, queerer, zaniest, oddball, queerest, strange, cockeyed, quaintest, outliers, funny, dodo, ditsy, campy, screwball, schizo, outlier, codgers, dement, nutty, swingers, codger, misfit, dingbat, droller, odder, laughing, crazy, screamer, rioter, galoot, zanier, dottier, nuttiest, zany, oddest, wackiest, flaky, nuttier, laffer, funky, saphead, dotty, weirder, weirdest, freakish, quirky, wackier, strangest, har-har, offbeat, campiest, fooler

3 Syllables

personae, erratic, elliptic, liberals, crotchety, abnormal, bizarre, airbrained, off-center, capricious, gelastic, far-fetched, outlandish, unpunctual, peculiar, zigzagged, efferent, farfetched, enthusiast, fantastic, unscrewed, whimsical, aberrant, uncommon, quizzical, singular, hare-brained, laughable

4 Syllables

unnatural, protuberant, misbeliever, irregular, derisory, unorthodox, unaligned, nonuniform, anomalous, aporetic, centrifugal, bedlamite

5 Syllables

unconventional, heteromorphic, idiosyncratic, unprecedented, characteristic, uncustomary, unsymmetrical