93 entries under foolish topic. ×

5
harebrained(adjective, characteristic, careless, fantastic)
5
unbalanced(adjective, characteristic, silly, extreme)
5
unreasonable(adjective, wrong, silly, stupid)
4
eccentric(adjective, unusual, strange, silly)
4
indiscreet(adjective, offensive, rude, careless)
4
unpredictable(noun, adjective, violent, careless, silly)
3
impolite(adjective, offensive, rude, stupid)
3
indecorous(adjective, offensive, rude, stupid)
1
acting crazy(expression, adjective, silly, crazy)
1
mad as a March hare(expression, idiom, silly, unwise)
1
mad as a hatter(expression, idiom, wrong, silly)
1
mentally strange(expression, silly, unwise)
1
nutty as fruitcake(expression, idiom, wrong, silly)
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APASmart Define. (2016). wild thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/wild/thesaurus/synonyms
ChicagoSmart Define. 2016. "wild thesaurus" https://smartdefine.org/wild/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, wild thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/wild/thesaurus/synonyms>.
MLASmart Define. "wild thesaurus" 15 March 2016. Web. 23 September 2026. <https://smartdefine.org/wild/thesaurus/synonyms>