200 entries under adjective topic. ×

3
preposterous(simple, wild, strange, silly)
3
short-sighted(silly, foolish, fantastic, thoughtless)
3
unguarded(careless, thoughtless, impulsive, reckless)
3
unheedful
2
asinine(foolish, crazy, insane)
2
brazen
2
childish(foolish, stupid, rash, absurd)
2
dauntless(strong, bold, spirited, brave)
2
death-defying
2
doughty(strong, bold, spirited, brave)
2
extravagant(foolish, crazy, irrational, outrageous)
2
fantastic(silly, foolish, unwise, impractical)
2
gallant(strong, bold, spirited, brave)
2
harum-scarum(careful, reckless)
2
hazardous
2
impracticable(wild, strange, silly, foolish)
2
impractical(half-baked, doomed)
2
ludicrous(silly, foolish, stupid, fantastic)
2
mettlesome(courageous, fearless, plucky)
2
mindless(wild, thoughtless, deed, negligent)
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APASmart Define. (2015). foolhardy thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/foolhardy/thesaurus/synonyms
ChicagoSmart Define. 2015. "foolhardy thesaurus" https://smartdefine.org/foolhardy/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, foolhardy thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/foolhardy/thesaurus/synonyms>.
MLASmart Define. "foolhardy thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/foolhardy/thesaurus/synonyms>