191 entries under foolish topic. ×

6
unseemly(thoughtless, risky, imprudent, misguided)
6
unsound(adjective, wrong, careless, silly)
5
idiotic(adjective, weak, simple, wild, silly)
5
immature(adjective, stupid, rash, absurd)
5
improvident(adjective, careless, stupid, thoughtless)
5
inconsiderate(adjective, careless, thoughtless, inappropriate)
5
irresponsible(adjective, careless, silly, stupid)
5
naive(adjective, stupid, rash, risky)
5
undesirable(adjective, stupid, rash, risky)
5
unwary(adjective, thoughtless, rash, irresponsible)
5
wrong(adjective, careless, stupid, crazy)
4
daft(adjective, weak, simple, wild, silly)
4
dippy(adjective, weak, simple, silly)
4
insane(adjective, weak, simple, silly)
3
brash(adjective, careless, thoughtless, inappropriate)
3
cuckoo
3
goofy
3
illogical(adjective, wrong, wild, silly)
3
impulsive(adjective, weak, careless, thoughtless)
3
ludicrous(adjective, weak, simple, wild, silly)
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APASmart Define. (2015). unwise thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unwise/thesaurus/synonyms
ChicagoSmart Define. 2015. "unwise thesaurus" https://smartdefine.org/unwise/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unwise thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unwise/thesaurus/synonyms>.
MLASmart Define. "unwise thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/unwise/thesaurus/synonyms>