110 entries under foolish topic. ×

9
cuckoo(adjective, slang, wild, silly)
9
kooky(adjective, wild, silly, crazy)
8
screwy(adjective, slang, silly, crazy)
7
fruity(adjective, slang, silly, mad)
7
mental(adjective, simple, silly, mad)
7
moonstruck(adjective, silly, stupid, mad)
7
psychotic(adjective, silly, stupid, crazy)
6
round the bend(expression, adjective, idiom, silly)
5
daffy(adjective, simple, informal, silly)
5
potty(adjective, wild, silly, stupid)
5
psycho(silly, crazy, mad, insane)
4
irrational(adjective, wrong, wild, silly)
4
silly(adjective, wild, stupid, crazy)
4
unsettled(silly, stupid, crazy, insane)
3
goofy(adjective, silly, unwise)
3
idiotic(adjective, wild, silly, stupid)
3
odd(adjective, wild, silly, stupid)
2
bats in the belfry(expression, idiom, silly, mad)
2
berserk(adjective, silly, crazy, mad)
2
cockamamie(adjective, silly, crazy, mad)
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APASmart Define. (2015). cracked thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/cracked/thesaurus/synonyms
ChicagoSmart Define. 2015. "cracked thesaurus" https://smartdefine.org/cracked/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, cracked thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/cracked/thesaurus/synonyms>.
MLASmart Define. "cracked thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/cracked/thesaurus/synonyms>