38 entries under stupid topic. ×

37
insane(adjective, wild, silly, foolish)
27
crazy(noun, adjective, wild, strange, silly)
22
mad(noun, adjective, wild, silly, foolish)
20
loony(noun, adjective, informal, wild, silly)
16
batty(adjective, slang, wild, silly, foolish)
16
daft(adjective, wild, silly, foolish)
15
lunatic(noun, adjective, person, wild, silly)
13
nutty(adjective, slang, silly, crazy)
12
screwy(adjective, slang, silly, crazy)
10
crazed(adjective, wild, silly, foolish)
10
demented(adjective, wild, silly, foolish)
9
cracked(adjective, informal, wild, silly, foolish)
9
deranged(adjective, wild, silly, foolish)
9
foolish(adjective, silly, unwise)
8
fatuous(adjective, wrong, wild, silly, foolish)
8
touched(adjective, silly, crazy, mad)
7
idiotic(adjective, wild, silly, foolish)
7
silly(adjective, foolish, crazy, mad)
6
preposterous(adjective, silly, foolish, unwise)
5
irrational(adjective, wrong, wild, silly, foolish)
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APASmart Define. (2016). cuckoo thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/cuckoo/thesaurus/synonyms
ChicagoSmart Define. 2016. "cuckoo thesaurus" https://smartdefine.org/cuckoo/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, cuckoo thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/cuckoo/thesaurus/synonyms>.
MLASmart Define. "cuckoo thesaurus" 30 March 2016. Web. 25 September 2026. <https://smartdefine.org/cuckoo/thesaurus/synonyms>