32 entries under spontaneous topic. ×

1
makeshift(adjective, free, casual, impulsive)
1
off-the-cuff(adjective, unprepared, impromptu, unrehearsed)
1
offhand(adjective, free, casual, impulsive)
1
on-the-spot(adjective, free, fake, casual, impulsive)
1
snap(adjective, free, casual, impulsive)
1
spur-of-the-moment(adjective, free, casual, impulsive)
1
unplanned(adjective, free, casual, impulsive)
1
unpremeditated(adjective, free, casual, impulsive)
1
unprepared(adjective, free, casual, impulsive)
1
unrehearsed(adjective, free, casual, impulsive)
1
unstudied(adjective, free, casual, impulsive)
0
unscripted(unprepared, impromptu)
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APASmart Define. (2015). toss out thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/toss_out/thesaurus/synonyms
ChicagoSmart Define. 2015. "toss out thesaurus" https://smartdefine.org/toss_out/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, toss out thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/toss_out/thesaurus/synonyms>.
MLASmart Define. "toss out thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/toss_out/thesaurus/synonyms>