66 entries under impulsive topic. ×

4
involuntary(adjective, simple, natural, casual)
4
snap(adjective, free, casual, prepared)
4
uncontrived(adjective, simple, natural, casual)
4
uncontrolled(adjective, simple, natural, casual)
3
fake(adjective, adverb, free, casual)
3
ill-considered(adjective, unqualified, unprepared, unsuspecting)
2
free(adjective, simple, fake, natural, casual)
2
from the hip(expression, adjective, idiom, simple, natural)
2
improvisatory(free, casual, spontaneous, unprepared)
2
made-up(adjective, adverb, free, spontaneous)
2
natural(adjective, simple, casual, willing)
2
rash
2
reflexive
1
autoschediastic(free, casual, spontaneous, unprepared)
1
break loose(expression, adjective, simple, natural, casual)
1
down(adjective, simple, natural, casual)
1
expedient(free, casual, spontaneous, unprepared)
1
free spirited(expression, adjective, simple, natural, casual)
1
immediate(free, casual, quick, abrupt)
1
impetuous(adjective, simple, natural, casual, quick)
10 years ago|12k views|share |citing 
APASmart Define. (2016). impromptu thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/impromptu/thesaurus/synonyms
ChicagoSmart Define. 2016. "impromptu thesaurus" https://smartdefine.org/impromptu/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, impromptu thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/impromptu/thesaurus/synonyms>.
MLASmart Define. "impromptu thesaurus" 28 January 2016. Web. 22 September 2026. <https://smartdefine.org/impromptu/thesaurus/synonyms>