54 entries under unrehearsed topic. ×

1
automatic(adjective, free, informal, casual, impulsive)
1
casual(adjective, free, simple, relaxed, familiar)
1
dashed off(expression, adjective, fake, mock, affected)
1
expedient(adjective, free, informal, casual, snap)
1
extemporary(adjective, free, fake, casual, impulsive)
1
extemporized(adjective, fake, unprepared, unplanned)
1
faked(adjective, fake, mock, affected, unprepared)
1
immediate(adjective, free, informal, casual, snap)
1
improvised(adjective, adverb, free, casual, spontaneous)
1
jamming(adjective, free, informal, casual, snap)
1
made-up(adjective, free, informal, casual, snap)
1
off the top of head(expression, idiom, free, informal, casual)
1
off top of head(expression, adjective, idiom, adverb, informal)
1
played by ear(expression, adjective, fake, unprepared, unplanned)
1
shot from the hip(expression, adjective, idiom, fake, impromptu)
1
snap(adjective, free, informal, casual, impulsive)
1
taking for ride(expression, idiom, free, informal, casual)
1
thought out loud(expression, idiom, free, informal, casual)
1
thrown off(expression, adjective, fake, mock, affected)
1
tossed out(expression, adjective, free, informal, casual)
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APASmart Define. (2013). improv thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/improv/thesaurus/synonyms
ChicagoSmart Define. 2013. "improv thesaurus" https://smartdefine.org/improv/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2013, improv thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/improv/thesaurus/synonyms>.
MLASmart Define. "improv thesaurus" 17 June 2013. Web. 1 October 2026. <https://smartdefine.org/improv/thesaurus/synonyms>