65 entries under impulsive topic. ×

1
impractical(silly, foolish, trivial, half-baked)
1
injudicious(weak, simple, careless, silly, foolish)
1
insuppressible(careless, thoughtless, reckless, hasty)
1
jumping to conclusions(expression, idiom, careless, thoughtless)
1
overhasty(careless, thoughtless, reckless, hasty)
1
passionate(careless, thoughtless, reckless, hasty)
1
poorly planned(expression, impractical, half-baked, doomed)
1
precipitant(adjective, careless, thoughtless, rash)
1
precipitate(adjective, careless, wild, bold, thoughtless)
1
premature(careless, thoughtless, reckless, hasty)
1
unguarded(careless, thoughtless, reckless, hasty)
1
unthinking(adjective, careless, stupid, thoughtless)
1
unwary(careless, thoughtless, reckless, hasty)
1
venturous(adjective, careless, wild, bold, thoughtless)
0
backward(impractical, half-baked, doomed, unplanned)
0
blockheaded(impractical, half-baked, doomed, unplanned)
0
boneheaded(impractical, half-baked, doomed, unplanned)
0
feeble-minded(impractical, half-baked, doomed, unplanned)
0
precipitous(reckless, hasty)
0
retarded(impractical, half-baked, doomed, unplanned)
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APASmart Define. (2015). harebrained thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/harebrained/thesaurus/synonyms
ChicagoSmart Define. 2015. "harebrained thesaurus" https://smartdefine.org/harebrained/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, harebrained thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/harebrained/thesaurus/synonyms>.
MLASmart Define. "harebrained thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/harebrained/thesaurus/synonyms>