73 entries under impulsive topic. ×

4
instinctive(noun, adjective, simple, passionate, violent)
4
rash(noun, adjective, thoughtless, impetuous)
4
uncontrived(adjective, simple, natural, casual)
4
unprompted(adjective, simple, plain, violent, natural)
3
abrupt(adjective, thoughtless, impetuous, unwary)
3
by ear(expression, adjective, idiom, free, casual)
3
fake(adjective, free, casual, spontaneous)
3
immediate(noun, adjective, free, casual)
3
improvisatory(adjective, free, casual, impulse)
3
involuntary(noun, adjective, simple, passionate, violent)
3
natural(adjective, simple, casual, willing)
3
unintentional(adjective, simple, natural, chance, casual)
2
expedient(adjective, free, casual, spontaneous)
2
ill-considered(adjective, unprepared)
2
impetuous(noun, adjective, simple, passionate, violent)
2
instantaneous(adjective, transientness)
2
reflexive
2
unconscious(adjective, simple, natural, casual)
2
voluntary(adjective, simple, natural, casual)
1
according to pleasure(expression, idiom, adverb, extemporize)
11 years ago|9.3k views|share |citing 
APASmart Define. (2015). extemporaneous thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/extemporaneous/thesaurus/synonyms
ChicagoSmart Define. 2015. "extemporaneous thesaurus" https://smartdefine.org/extemporaneous/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, extemporaneous thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/extemporaneous/thesaurus/synonyms>.
MLASmart Define. "extemporaneous thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/extemporaneous/thesaurus/synonyms>