70 entries under simple topic. ×

1
unofficial(adjective, easy, plain, straightforward)
1
unpremediated(adjective, natural, casual, impulsive)
1
unprompted(adjective, natural, casual, impulsive)
1
unrestrained(adjective, easy, plain, straightforward)
1
unsophisticated(adjective, natural, casual, impulsive)
1
up front(expression, adjective, natural, casual)
1
urbane(adjective, easy, plain, straightforward)
1
voluntary(adjective, natural, casual, impulsive)
1
willing(adjective, natural, casual, impulsive)
1
without ceremony(expression, adjective, straightforward, casual)
11 years ago|5.5k views|share |citing 
APASmart Define. (2015). extempore thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/extempore/thesaurus/synonyms
ChicagoSmart Define. 2015. "extempore thesaurus" https://smartdefine.org/extempore/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, extempore thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/extempore/thesaurus/synonyms>.
MLASmart Define. "extempore thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/extempore/thesaurus/synonyms>