Synonyms of flaky

1 Syllable

schtick, daft, odd, weird, yoyo, queer, rum, gump

2 Syllables

spacey, wacky, flamboyant, kooky, queerer, schizoid, scaly, goofy, apest, queerest, loony, spacy, boffo, rummy, scalier, birdy, crazier, screwy, schizo, nutty, craziest, rumer, odder, crazy, dafter, daftest, aper, whacko, oddest, absurd, loonier, weirder, weirdest, rummier, kookier, goofus, goofier, yo-yo, jokey

3 Syllables

fanciful, mercurial, erratic, off-the-wall, peacockish, branlike, lunatic, senseless, haywire, half-cracked, capricious, eccentric, peculiar, hot-and-cold, unprompted, vagarious, comical, stratiform, nonstandard, unscrewed, whimsical, jocular, aberrant, stratified, fool-headed, quicksilver

4 Syllables

irrational, unreasoning, cockamamie, unorthodox, humorsome, prerelease, impulsive, pre-release, characterful, bubbleheaded

5 Syllables

unconventional, unmeditated, unbelievable, uncustomary