Synonyms|1.1kAntonyms|423|Broader|11Narrower|16Related|2.8k

96 entries under foolish topic. ×

7
daft(adjective, silly, stupid, crazy)
7
sophistic(adjective, correct, true, unreasonable)
6
baseless(adjective, unreasonable, worthless, unacceptable)
6
deranged(adjective, crazy, mad, unstable)
6
ill-considered(adjective, wise, rash, unwise)
6
lunatic(adjective, crazy, mad, unstable)
6
unwise(adjective, wrong, careless, silly)
5
ill-advised(adjective, wrong, false, wise)
5
imprudent(adjective, fantastic, wise, rash)
5
inadvisable(adjective, bad, rash, risky)
5
injudicious(adjective, unreasonable, wise, rash)
5
of unsound mind(expression, adjective, idiom, fantastic)
5
touched(adjective, simple, corrupt, disgusting)
4
batty(adjective, wrong, slang, silly)
4
distraught(adjective, crazy, unreasonable, sick)
4
impolitic(adjective, wise, rash, risky)
4
indiscreet(adjective, wise, rash, risky)
4
non compos mentis(expression, adjective, idiom, law)
4
nutty(adjective, wrong, slang, silly)
4
reckless(rash, risky)
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APASmart Define. (2015). unsound thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unsound/thesaurus/synonyms
ChicagoSmart Define. 2015. "unsound thesaurus" https://smartdefine.org/unsound/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, unsound thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unsound/thesaurus/synonyms>.
MLASmart Define. "unsound thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/unsound/thesaurus/synonyms>