89 entries under casual topic. ×

1
unrestrained(adjective, simple, easy, plain, straightforward)
1
unsophisticated(adjective, simple, natural, impulsive)
1
up front(expression, adjective, simple, natural)
1
urbane(adjective, simple, easy, plain, straightforward)
1
voluntary(adjective, simple, natural, impulsive)
1
willing(adjective, simple, natural, impulsive)
1
winging it(expression, free, impulsive, unrehearsed)
1
without ceremony(expression, adjective, simple, straightforward)
0
incidental(chance, passing, unplanned, unpremeditated)
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APASmart Define. (2015). extempore thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/extempore/thesaurus/synonyms
ChicagoSmart Define. 2015. "extempore thesaurus" https://smartdefine.org/extempore/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, extempore thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/extempore/thesaurus/synonyms>.
MLASmart Define. "extempore thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/extempore/thesaurus/synonyms>