3
precipitant(adjective, careless, careful, thoughtless, impulsive)
3
preposterous(adjective, simple, wild, strange, silly)
3
short-sighted(adjective, silly, foolish, fantastic, thoughtless)
3
unguarded(adjective, careless, thoughtless, impulsive, reckless)
3
unheedful(adjective, rash)
2
asinine(adjective, foolish, crazy, insane)
2
balmy(silly, foolish, stupid, fantastic, absurd)
2
barmy(silly, foolish, unwise)
2
bizarre(silly, foolish, fantastic, unwise, impractical)
2
brazen(adjective, rash)
2
childish(adjective, foolish, stupid, rash, absurd)
2
daft(silly, foolish, crazy, insane, unwise)
2
dauntless(adjective, strong, bold, spirited, brave)
2
death-defying
2
doughty(adjective, strong, bold, spirited, brave)
2
extravagant(adjective, foolish, crazy, irrational, outrageous)
2
fantastic(adjective, silly, foolish, unwise, impractical)
2
gallant(adjective, strong, bold, spirited, brave)
2
harum-scarum(adjective, careful, reckless)
2
hazardous
11 years ago|8.2k views|share |citing 
APASmart Define. (2015). foolhardy thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/foolhardy/thesaurus/synonyms
ChicagoSmart Define. 2015. "foolhardy thesaurus" https://smartdefine.org/foolhardy/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, foolhardy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/foolhardy/thesaurus/synonyms>.
MLASmart Define. "foolhardy thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/foolhardy/thesaurus/synonyms>