2
peppy
2
querulous(adjective, annoyed, irritated, edgy, intolerant)
2
quick-tempered(adjective, keen, violent, anxious, nervous)
2
quixotic(adjective, idealistic)
2
rabid(adjective, feeling, desire, rough, intense)
2
rampant(adjective, passionate, violent, excited, violence)
2
senseless
2
severe(violent, brutal, ferocious)
2
short-lived(rapid, tumultuous)
2
simmering
2
spasmodic(passionate, violent, excited, quick, agitated)
2
startling
2
stormy(adjective, strong, severe, intense, passionate)
2
strenuous(difficult, stressful)
2
temperamental(adjective, moving, passionate, nervous, fierce)
2
trenchant
2
tumultuous(adjective, rapid)
2
unconscious(adjective, simple, natural, casual, impulsive)
2
unconventional(adjective, foolish, crazy, irrational, outrageous)
2
undiscriminating
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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>