92 entries under foolish topic. ×

9
balmy(adjective, silly, unwise)
8
barmy(adjective, silly, mad, insane)
8
batty(adjective, silly, mad, insane)
8
bonkers(adjective, silly, mad, insane)
8
loony(adjective, silly, unwise, unglued)
8
nuts(adjective, silly, mad, insane)
7
fruity(adjective, silly, mad, insane)
7
kooky(adjective, silly, mad, insane)
7
nutty(adjective, silly, mad, insane)
6
wacky(adjective, silly, mad, insane)
5
cracked(adjective, silly, mad, insane)
5
crazy(adjective, wild, strange, silly)
5
daft(adjective, silly, mad, insane)
4
cuckoo(adjective, silly, mad, insane)
4
insane(adjective, silly, mad, unwise)
4
mad(adjective, silly, insane, unwise)
3
potty(adjective, wild, silly, mad)
2
bats in the belfry(expression, adjective, idiom, wild, silly)
2
eccentric(silly, unwise)
2
flaky(adjective, silly, mad, insane)
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APASmart Define. (2015). round the bend thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/round_the_bend/thesaurus/synonyms
ChicagoSmart Define. 2015. "round the bend thesaurus" https://smartdefine.org/round_the_bend/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, round the bend thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/round_the_bend/thesaurus/synonyms>.
MLASmart Define. "round the bend thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/round_the_bend/thesaurus/synonyms>