8 entries under impromptu topic. ×

2
extemporaneous(adjective, free, casual, impulsive, spontaneous)
1
ad-lib(free, casual, impulsive, spontaneous, unprepared)
1
autoschediastic(free, casual, impulsive, spontaneous, unprepared)
1
extemporary(free, casual, impulsive, spontaneous, unprepared)
1
fake(free, casual, impulsive, spontaneous, unprepared)
1
improvised(free, casual, impulsive, spontaneous, unprepared)
1
off-the-cuff(adjective, spontaneous, unprepared, unrehearsed)
0
unscripted(spontaneous, unprepared)
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APASmart Define. (2015). jamming thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/jamming/thesaurus/synonyms
ChicagoSmart Define. 2015. "jamming thesaurus" https://smartdefine.org/jamming/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, jamming thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/jamming/thesaurus/synonyms>.
MLASmart Define. "jamming thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/jamming/thesaurus/synonyms>