16 entries under adverb topic. ×

17
extemporaneous(adjective, impulsive, prepared, spontaneous)
12
offhand(adjective, free, impulsive, prepared)
10
improvised(adjective, free, impulsive, prepared)
9
ad-lib(adjective, impulsive, prepared, spontaneous)
7
ad lib(expression, adjective, idiom, free)
7
off the cuff(expression, adjective, idiom, free)
6
off-the-cuff(adjective, informal, impulsive, prepared)
2
ad libitum(expression, adjective, idiom, informal)
2
improv(adjective, free, spontaneous, unprepared)
1
as one wishes(expression, adjective, informal, impulsive)
1
at will(expression, adjective, informal, impulsive)
1
without restraint(expression, adjective, informal, impulsive)
0
naturally
0
spontaneously
0
unaffectedly
0
voluntarily
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APASmart Define. (2015). unrehearsed thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unrehearsed/thesaurus/synonyms
ChicagoSmart Define. 2015. "unrehearsed thesaurus" https://smartdefine.org/unrehearsed/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, unrehearsed thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unrehearsed/thesaurus/synonyms>.
MLASmart Define. "unrehearsed thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/unrehearsed/thesaurus/synonyms>