Definition of kooky:
Synonyms for kooky:
batty, nutlike, strange, around the bend, cranky, usual, ludicrous, laughable, amiss, nuts, unusual, chapped, loco, sappy, cracked, buggy, soft, wild, balmy, whacky, roughened, insane, dotty, kookie, screwball, freakish, ridiculous, daft, gaga, mild, alligatored, eccentric, cockamamie, silly, yeasty, bizarre, outlandish, rum, not in your right mind/not right in the head, wacky, goofy, childish, idiosyncratic, crackers, zestful, rummy, unnatural, bats, singular, quaint, nutty, weird, over-the-top, barmy, cockamamy, peculiar, wrong, fruity, zany, erratic, curious, loony, loopy, bonkers, haywire, round the bend, awry, queer, quirky, odd, zesty.
- insane (part of speech: adjective)
- lunatic (part of speech: adjective)