94 entries under spontaneous topic. ×

2
free(adjective, simple, fake, natural, straightforward)
2
improv(adjective, free, simple, fake, straightforward)
2
improviso(free, casual, impulsive, impulse)
2
involuntary(adjective, simple, natural, casual, impulsive)
2
made-up(free, casual, unrehearsed, improvised)
1
autoschediastic(free, casual, impulsive, unprepared)
1
break loose(expression, adjective, simple, natural, casual)
1
colloquial(adjective, simple, easy, plain, straightforward)
1
congenial(adjective, simple, easy, plain, straightforward)
1
democratic(adjective, simple, easy, plain, straightforward)
1
down(adjective, simple, natural, casual, impulsive)
1
down home(expression, adjective, simple, plain, straightforward)
1
everyday(adjective, simple, easy, plain, straightforward)
1
expedient(free, casual, impulsive, unprepared)
1
fake(free, casual, impulsive, unprepared)
1
familiar(adjective, simple, easy, plain, modest)
1
folksy(adjective, simple, easy, plain, relaxed)
1
frank(adjective, simple, easy, plain, straightforward)
1
free-and-easy(adjective, simple, easy, plain, straightforward)
1
free spirited(expression, adjective, simple, natural, casual)
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APASmart Define. (2015). extempore thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/extempore/thesaurus/synonyms
ChicagoSmart Define. 2015. "extempore thesaurus" https://smartdefine.org/extempore/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, extempore thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/extempore/thesaurus/synonyms>.
MLASmart Define. "extempore thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/extempore/thesaurus/synonyms>