87 entries under foolish topic. ×

4
daft(adjective, wild, strange, silly)
4
irrational(adjective, unusual, wild, strange, silly)
4
lunatic(adjective, wild, silly, crazy)
4
of unsound mind(expression, idiom, silly, unwise)
4
preposterous(adjective, wrong, false, unusual, wild)
4
screwball(adjective, slang, silly, usual)
4
touched(unusual, strange, silly, unwise)
3
loony(adjective, wild, strange, silly)
3
psycho(unusual, silly, unwise, weird)
2
cracked(adjective, wild, silly, stupid)
2
demented(adjective, unusual, wild, strange, silly)
2
freaked out(expression, silly, unwise)
2
inappropriate(wrong, false, awkward, fantastic)
2
insane(adjective, wild, strange, silly)
2
mental(unusual, silly, unwise, weird)
2
moonstruck(silly, unwise)
2
nuts(adjective, wild, strange, silly)
2
silly(adjective, wild, strange, stupid)
2
unhinged(unusual, strange, silly, unwise)
2
zany(adjective, wild, silly, crazy)
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APASmart Define. (2016). odd thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/odd/thesaurus/synonyms
ChicagoSmart Define. 2016. "odd thesaurus" https://smartdefine.org/odd/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, odd thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/odd/thesaurus/synonyms>.
MLASmart Define. "odd thesaurus" 30 March 2016. Web. 20 September 2026. <https://smartdefine.org/odd/thesaurus/synonyms>