92 entries under impulsive topic. ×

21
spontaneous(noun, adjective, free, fake, informal)
20
unpremeditated(noun, adjective, free, chance, casual)
19
casual(adjective, free, simple, fake, natural)
17
unintentional(adjective, simple, natural, chance, casual)
13
impromptu(adjective, free, simple, fake, informal)
13
unexpected(adjective, adverb, chance, planned)
11
hasty(adjective, rash, unthinking)
10
extemporaneous(noun, adjective, simple, informal, natural)
10
offhand(noun, adjective, free, simple, fake)
8
abrupt(adjective, rash, unthinking)
8
precipitate(noun, adjective, rash, unthinking)
8
unstudied(adjective, free, simple, fake, natural)
7
extempore(adjective, free, simple, fake, informal)
7
impetuous(noun, adjective, simple, natural, casual)
7
involuntary(noun, adjective, simple, natural, casual)
7
spur-of-the-moment(noun, adjective, free, spontaneous)
6
snap(noun, adjective, free, informal, casual)
6
sudden(noun, adjective, rash, unthinking)
6
unconscious(adjective, simple, natural, casual)
5
improvised(adjective, free, simple, fake, informal)
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APASmart Define. (2015). unplanned thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unplanned/thesaurus/synonyms
ChicagoSmart Define. 2015. "unplanned thesaurus" https://smartdefine.org/unplanned/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, unplanned thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unplanned/thesaurus/synonyms>.
MLASmart Define. "unplanned thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/unplanned/thesaurus/synonyms>