8
indiscreet(adjective, violent, careless, fast, quick)
7
capricious
7
ill-advised(adjective, violent, careless, fast, quick)
7
irresponsible(adjective, careless, unstable, bold, thoughtless)
7
unplanned(noun, adjective, simple, natural, casual)
7
unrestrained(adjective, rough, intense, energetic, passionate)
7
volatile(adjective, nervous, unstable, restless, unreliable)
6
bold(adjective, strong, severe, intense, violent)
6
daring(adjective, careless, anxious, bold, worried)
6
fervid(adjective, strong, moving, difficult, intense)
6
foolish(adjective, rough, careless, crazy, thoughtless)
6
impassioned(adjective, strong, moving, difficult, intense)
6
intense(adjective, strong, severe, difficult, passionate)
6
mad(adjective, rough, passionate, violent, cruel)
6
offhand(noun, adjective, simple, passionate, violent)
6
precipitant(adjective, violent, fast, careful, quick)
6
precipitous(adjective, quick, impulsive, thinking, rash)
6
unconsidered(noun, adjective, passionate, violent, careful)
6
unexpected(adjective, passionate, violent, fast, quick)
6
unpremeditated(noun, adjective, thoughtless, impulsive, thinking)
10 years ago|20k views|share |citing 
APASmart Define. (2016). impetuous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/impetuous/thesaurus/synonyms
ChicagoSmart Define. 2016. "impetuous thesaurus" https://smartdefine.org/impetuous/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, impetuous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/impetuous/thesaurus/synonyms>.
MLASmart Define. "impetuous thesaurus" 24 January 2016. Web. 23 September 2026. <https://smartdefine.org/impetuous/thesaurus/synonyms>