100 entries under foolish topic. ×

3
deranged(adjective, wrong, wild, silly)
3
idiotic(adjective, wild, strange, silly)
3
inane(adjective, careless, strange, stupid)
3
mad(adjective, wrong, unusual, wild, strange)
3
stupid(adjective, careless, strange, silly)
2
balmy(adjective, silly, fantastic, unwise)
2
batty(adjective, wrong, wild, silly)
2
cuckoo(adjective, wrong, wild, silly)
2
demented(adjective, wrong, unusual, wild, strange)
2
inappropriate(adjective, strange, fantastic, irregular)
2
loony(adjective, wild, strange, silly)
2
moonstruck(adjective, silly, stupid, insane)
2
nuts(strange, silly, stupid, crazy)
2
screwball(adjective, slang, silly, usual)
2
unreasonable(adjective, strange, silly, stupid)
2
wacky(adjective, unusual, careless, strange, silly)
1
beyond all reason(expression, idiom, silly, fantastic)
1
cockeyed(wild, strange, crazy, fantastic)
1
cracked(adjective, wrong, wild, silly)
1
crazed(adjective, wrong, wild, silly)
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APASmart Define. (2016). bizarre thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/bizarre/thesaurus/synonyms
ChicagoSmart Define. 2016. "bizarre thesaurus" https://smartdefine.org/bizarre/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, bizarre thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/bizarre/thesaurus/synonyms>.
MLASmart Define. "bizarre thesaurus" 31 March 2016. Web. 21 September 2026. <https://smartdefine.org/bizarre/thesaurus/synonyms>