Synonyms of quirky

1 Syllable

rad, rum, weird, odd

2 Syllables

wacky, spacey, kooky, radder, screwy, freakish, trickiest, outre, tricky, strange, trickier, rummier, kookier, rumer, freaky, way-out, spacy, raddest, rummy, kinky

3 Syllables

off-the-wall, capricious, eccentric, peculiar, unusual, bizarre, vagarious

4 Syllables

unorthodox, humorsome

5 Syllables

unreasonable, idiosyncratic, unconventional