23 entries under improvised topic. ×

12
extemporaneous(adjective, free, casual, impulsive, prepared)
6
unpremeditated(adjective, free, casual, impulsive, spontaneous)
3
unplanned(adjective, free, casual, impulsive, spontaneous)
2
automatic(adjective, free, casual, impulsive, spontaneous)
2
off the cuff(expression, adjective, free, impromptu)
2
snap(adjective, free, casual, impulsive, prepared)
1
ad hoc(expression, adjective, free, casual, impulsive)
1
by ear(expression, adjective, free, fake, casual)
1
casual(adjective, free, impulsive, spontaneous, unprepared)
1
expedient(adjective, free, casual, impulsive, spontaneous)
1
free(adjective, casual, impulsive, spontaneous, unprepared)
1
immediate(adjective, free, casual, impulsive, spontaneous)
1
improv(adjective, free, fake, casual, impulsive)
1
improvisatory(adjective, free, fake, casual, impulsive)
1
improviso(adjective, free, fake, casual, impulsive)
1
informal(adjective, free, casual, impulsive, spontaneous)
1
jamming(adjective, free, casual, impulsive, spontaneous)
1
on-the-spot(adjective, free, fake, casual, impulsive)
1
on impulse(expression, adjective, free, fake, casual)
1
winging it(expression, adjective, free, casual, impulsive)
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APASmart Define. (2015). extemporary thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/extemporary/thesaurus/synonyms
ChicagoSmart Define. 2015. "extemporary thesaurus" https://smartdefine.org/extemporary/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, extemporary thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/extemporary/thesaurus/synonyms>.
MLASmart Define. "extemporary thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/extemporary/thesaurus/synonyms>