9
mad(adjective, weak, simple, wrong, wild)
9
unreasonable(adjective, weak, simple, wrong, silly)
8
foolhardy(adjective, careless, foolish, stupid, thoughtless)
8
ill-judged(adjective, careless, foolish, thoughtless, inappropriate)
8
inane(adjective, simple, careless, wild, silly)
8
inept(adjective, foolish, stupid, rash, risky)
8
stupid(adjective, weak, simple, wrong, wild)
8
tactless(adjective, careless, thoughtless, inappropriate, unconscious)
8
unthinking(adjective, careless, foolish, unreasonable, thoughtless)
7
absurd(adjective, weak, simple, wrong, wild)
7
brainless(adjective, weak, simple, silly, foolish)
7
childish(adjective, foolish, stupid, rash, absurd)
7
heedless(adjective, careless, foolish, thoughtless, rash)
7
incautious(adjective, weak, simple, careless, silly)
7
ridiculous(adjective, weak, simple, wrong, wild)
7
undiplomatic(adjective, weak, careless, thoughtless, inappropriate)
6
asinine(adjective, weak, simple, silly, foolish)
6
careless(adjective, foolish, thoughtless, inappropriate, rash)
6
hasty(adjective, foolish, rash, risky, irresponsible)
6
improper
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APASmart Define. (2015). unwise thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unwise/thesaurus/synonyms
ChicagoSmart Define. 2015. "unwise thesaurus" https://smartdefine.org/unwise/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unwise thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unwise/thesaurus/synonyms>.
MLASmart Define. "unwise thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/unwise/thesaurus/synonyms>