54 entries under impromptu topic. ×

1
unrehearsed(adjective, adverb, free, spontaneous, unprepared)
1
unscripted(adjective, fake, affected, spontaneous, unprepared)
0
off-the-cuff(adjective, simple, relaxed, straightforward, casual)
0
Hollywood(mock, affected)
0
affected
0
artificial(mock, affected)
0
campy(mock, affected)
0
cooked-up(mock, affected)
0
counterfeit(mock, affected)
0
extemporaneously(adverb, offhand, spontaneously)
0
feigned(mock, affected)
0
fictitious(mock, affected)
0
figmental(mock, affected)
0
framed(mock, affected)
0
gone Hollywood(expression, mock, affected)
0
hammy(mock, affected)
0
high falutin(expression, mock, affected)
0
hyped up(expression, mock, affected)
0
invented(mock, affected)
0
la-di-da(mock, affected)
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APASmart Define. (2013). improv thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/improv/thesaurus/synonyms
ChicagoSmart Define. 2013. "improv thesaurus" https://smartdefine.org/improv/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2013, improv thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/improv/thesaurus/synonyms>.
MLASmart Define. "improv thesaurus" 17 June 2013. Web. 24 September 2026. <https://smartdefine.org/improv/thesaurus/synonyms>