73 entries under casual topic. ×

1
unfussy(adjective, simple, easy, plain, modest)
1
unofficial(adjective, simple, plain, relaxed, straightforward)
1
unplanned(adjective, free, informal, impulsive)
1
unrestrained(adjective, simple, plain, relaxed, straightforward)
1
unstudied(adjective, free, informal, spontaneous)
1
urbane(adjective, simple, plain, relaxed, straightforward)
1
winging it(expression, adjective, free, unrehearsed)
1
without ceremony(expression, adjective, simple, relaxed, straightforward)
0
extemporaneous(adjective, free, fake, spontaneous)
0
informal(adjective, free, simple, relaxed)
0
off-the-cuff(adjective, simple, relaxed, straightforward)
0
on the spot(expression, adjective, idiom, free)
0
snapper(adjective, free, unrehearsed, improvised)
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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>