18 entries under unprepared topic. ×

2
by ear(expression, adjective, free, fake, informal)
2
improv(adjective, free, fake, informal, casual)
2
improvisatory(adjective, free, fake, informal, casual)
2
improviso(adjective, free, fake, informal, casual)
2
on impulse(expression, adjective, free, fake, informal)
1
ad-lib(adjective, free, fake, casual, impulsive)
1
ad lib(expression, adjective, free, informal, casual)
1
autoschediastic(adjective, free, fake, casual, impulsive)
1
casual(adjective, free, informal, impulsive)
1
extemporaneous(adjective, free, casual, impulsive, spontaneous)
1
extemporary(adjective, free, fake, casual, impulsive)
1
extempore(adjective, free, casual, impulsive)
1
fake(adjective, free, casual, impulsive, spontaneous)
1
free(adjective, informal, casual, impulsive)
1
impromptu(adjective, free, casual, impulsive)
1
improvised(adjective, free, casual, impulsive, spontaneous)
1
off-the-cuff(adjective, spontaneous, impromptu, unrehearsed)
0
unscripted(spontaneous, impromptu)
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APASmart Define. (2013). on-the-spot thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/on-the-spot/thesaurus/synonyms
ChicagoSmart Define. 2013. "on-the-spot thesaurus" https://smartdefine.org/on-the-spot/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2013, on-the-spot thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/on-the-spot/thesaurus/synonyms>.
MLASmart Define. "on-the-spot thesaurus" 28 June 2013. Web. 1 October 2026. <https://smartdefine.org/on-the-spot/thesaurus/synonyms>