89 entries under impulsive topic. ×

5
willing(adjective, free, natural, will)
4
extemporary(adjective, free, casual, unprepared)
4
ill-considered(adjective, unqualified, candid, offhand)
4
uncontrolled(adjective, reasonable, relaxed, wild, common)
4
unreflecting(adjective, rash, unthinking, instinctive)
3
off-the-cuff(adjective, simple, informal, natural, straightforward)
3
uncontrived(adjective, simple, easy, real)
3
unrestrained(adjective, calm, simple, plain, relaxed)
2
down(adjective, willing, unforced, unprompted)
2
furious(adjective, rash, unthinking)
2
hurried(adjective, rash, unthinking, sudden)
2
improvisatory(free, informal, casual, impulse)
2
inevitable(adjective, willing, unforced, unprompted)
2
irresistible(adjective, willing, unforced, unprompted)
2
precipitate(noun, adjective, thoughtless, rash)
2
rushing(adjective, rash, unthinking, sudden)
2
swift(adjective, thoughtless, rash, unthinking)
2
unavoidable(adjective, willing, unforced, unprompted)
1
ardent(adjective, moving, violent, fierce)
1
autoschediastic(free, casual, unprepared, impromptu)
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APASmart Define. (2015). spontaneous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/spontaneous/thesaurus/synonyms
ChicagoSmart Define. 2015. "spontaneous thesaurus" https://smartdefine.org/spontaneous/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, spontaneous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/spontaneous/thesaurus/synonyms>.
MLASmart Define. "spontaneous thesaurus" 3 August 2015. Web. 26 September 2026. <https://smartdefine.org/spontaneous/thesaurus/synonyms>