67 entries under impulsive topic. ×

17
extemporaneous(adjective, adverb, prepared, spontaneous)
14
impromptu(adjective, free, prepared, spontaneous)
12
offhand(adjective, adverb, free, prepared)
10
improvised(adjective, adverb, free, prepared)
10
spontaneous(adjective, free, unprepared, impromptu)
9
ad-lib(adjective, adverb, prepared, spontaneous)
9
extemporary(adjective, free, casual, prepared)
6
impulsive(adjective, spontaneous, unplanned, unprompted)
6
off-the-cuff(adjective, adverb, informal, prepared)
6
unpremeditated(adjective, free, spontaneous, unprepared)
6
unstudied(adjective, free, casual, spontaneous)
2
abrupt
2
ill-considered(adjective, unqualified, unsuspecting, unready)
2
instinctive(adjective, unprompted, spur-of-the-moment)
2
natural(adjective, unprompted, spur-of-the-moment)
2
snap(adjective, free, informal, casual)
1
according to pleasure(expression, informal, unplanned, extemporaneous)
1
as one thinks best(expression, informal, unplanned, extemporaneous)
1
as one wishes(expression, adjective, adverb, informal)
1
at will(expression, adjective, adverb, informal)
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APASmart Define. (2015). unrehearsed thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unrehearsed/thesaurus/synonyms
ChicagoSmart Define. 2015. "unrehearsed thesaurus" https://smartdefine.org/unrehearsed/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unrehearsed thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unrehearsed/thesaurus/synonyms>.
MLASmart Define. "unrehearsed thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/unrehearsed/thesaurus/synonyms>