30 entries under unprepared topic. ×

1
toss off(expression, adjective, free, casual, impulsive)
1
toss out(expression, adjective, free, casual, impulsive)
1
unrehearsed(adjective, adverb, free, spontaneous)
1
unscripted(adjective, fake, affected, spontaneous)
1
vamped(adjective, fake, unplanned, unrehearsed)
1
whipped up(expression, adjective, fake, unplanned)
1
winged(adjective, fake, unplanned, unrehearsed)
0
extemporaneous(adjective, free, fake, casual, spontaneous)
0
off-the-cuff(adjective, simple, relaxed, straightforward, casual)
0
unarranged(unplanned, unrehearsed)
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APASmart Define. (2013). improv thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/improv/thesaurus/synonyms
ChicagoSmart Define. 2013. "improv thesaurus" https://smartdefine.org/improv/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2013, improv thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/improv/thesaurus/synonyms>.
MLASmart Define. "improv thesaurus" 17 June 2013. Web. 29 September 2026. <https://smartdefine.org/improv/thesaurus/synonyms>