140 entries under foolish topic. ×

4
outlandish(adjective, silly, unwise)
4
senseless(adjective, silly, stupid, unwise)
3
berserk(adjective, wild, silly, crazy)
3
flaky(adjective, simple, silly, crazy)
3
irrational(adjective, wrong, rough, wild, silly)
3
ludicrous(adjective, silly, unwise)
3
off the wall(expression, adjective, idiom, simple, unusual)
3
preposterous(adjective, wild, silly, stupid)
3
psychopathic(adjective, silly, stupid, cuckoo)
3
rabid(adjective, wrong, concern, rough, wild)
3
ridiculous(adjective, simple, wild, strange, silly)
3
unreasonable(adjective, silly, stupid)
3
warm(adjective, concern, silly, crazy)
3
weird(adjective, strange, silly, odd)
3
zealous(adjective, concern, passionate, silly)
2
ape(silly, crazy, mad, insane)
2
avid(adjective, rough, passionate, crazy)
2
bizarre(strange, silly, stupid, crazy)
2
delirious(adjective, wild, silly, crazy)
2
eager(adjective, rough, crazy, irrational)
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APASmart Define. (2016). nuts thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/nuts/thesaurus/synonyms
ChicagoSmart Define. 2016. "nuts thesaurus" https://smartdefine.org/nuts/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, nuts thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/nuts/thesaurus/synonyms>.
MLASmart Define. "nuts thesaurus" 3 March 2016. Web. 22 September 2026. <https://smartdefine.org/nuts/thesaurus/synonyms>