14
mad(adjective, wild, silly, foolish, crazy)
14
silly(adjective, foolish, crazy, fantastic, insane)
14
venturesome(adjective, strong, careless, bold, thoughtless)
13
impulsive(noun, adjective, smart, rude, careless)
13
indiscreet(adjective, rude, careless, wild, foolish)
13
precipitate(noun, verb, adjective, careless, careful)
12
crazy(adjective, simple, wild, silly, foolish)
12
foolish(adjective, careless, wild, strange, silly)
12
hotheaded(adjective, rude, careless, foolish, careful)
11
brave(adjective, smart, bold, impulsive, daring)
10
temerarious(adjective, careless, foolish, careful, bold)
8
breakneck(adjective, wild, quick, thoughtless, rash)
8
courageous(adjective, strong, smart, bold, resolute)
8
ill-advised(adjective, rude, careless, wild, foolish)
8
ill-considered(adjective, careless, foolish, careful, thoughtless)
8
injudicious(adjective, careless, foolish, thoughtless, impulsive)
8
unwise(adjective, careless, foolish, stupid, thoughtless)
7
overconfident(adjective, rude, sure, arrogant, rashness)
7
venturous(adjective, careless, thoughtless, impulsive, rash)
6
adventuresome(adjective, smart, wild, bold, rash)
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APASmart Define. (2015). foolhardy thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/foolhardy/thesaurus/synonyms
ChicagoSmart Define. 2015. "foolhardy thesaurus" https://smartdefine.org/foolhardy/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, foolhardy thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/foolhardy/thesaurus/synonyms>.
MLASmart Define. "foolhardy thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/foolhardy/thesaurus/synonyms>