Englishzany
adjective
the film has a zany plot and some peculiar characters:
eccentric, bizarre, weird, peculiar, odd, quirky, avant-garde, unconventional, off-center, strange, outlandish, ridiculous, ludicrous;
mad, insane, crazy, absurd, comic, comical, clownish, farcical, madcap, silly, lighthearted, funny, amusing, chucklesome, diverting, waggish, hilarious;
informal wacky, screwy, nutty, nuts, crackpot, cracked, oddball, cranky, kinky, off the wall, way out, dippy, cuckoo;
British, informal daft;
North American, informal kooky, wacko, in left field;
Australian, New Zealand, informal , dated dilly.
▷antonyms conventional, sensible, serious.