0
improvisational
0
improvisatorial
0
improvise(informal, unplanned, extemporize, off-the-cuff, extemporise)
0
inevitable(impulsive, unprompted, spur-of-the-moment)
0
inexperienced
0
involuntary(impulsive, unprompted, spur-of-the-moment)
0
irresistible(impulsive, unprompted, spur-of-the-moment)
0
lib
0
napping(unqualified, unsuspecting, unready)
0
naturally
0
nonchalant
0
not prepared(expression, unqualified, unsuspecting, unready)
0
not ready(expression, unqualified, unsuspecting, unready)
0
not rehearsed(adjective, spontaneous)
0
nuncupative
0
off the top of one's head(adjective, spontaneous)
0
off top of head(expression, idiom, informal, impulsive, snap)
0
rude
0
simple(impulsive, unprompted, spur-of-the-moment)
0
spontaneously
11 years ago|3.9k views|share |citing 
APASmart Define. (2015). unrehearsed thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unrehearsed/thesaurus/synonyms
ChicagoSmart Define. 2015. "unrehearsed thesaurus" https://smartdefine.org/unrehearsed/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unrehearsed thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unrehearsed/thesaurus/synonyms>.
MLASmart Define. "unrehearsed thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/unrehearsed/thesaurus/synonyms>