"zany" in the noun sense
1. zany
a buffoon in one of the old comedies imitates others for ludicrous effect
2. fathead, goof, goofball, bozo, jackass, goose, cuckoo, twat, zany
a man who is a stupid incompetent fool
"zany" in the adjective sense
1. goofy, silly, wacky, whacky, zany
ludicrous, foolish
"wore a goofy hat"
"a silly idea"
"some wacky plan for selling more books"
2. buffoonish, clownish, clownlike, zany
like a clown
"a buffoonish walk"
"a clownish face"
"a zany sense of humor"
Source: WordNet® (An amazing lexical database of English)
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