7 entries under extemporary 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-the-spot(adjective, free, fake, informal, casual)
1
off-the-cuff(adjective, spontaneous, unprepared, impromptu, unrehearsed)
0
extemporal
13 years ago|261 views|share |citing 
APASmart Define. (2013). on impulse thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/on_impulse/thesaurus/synonyms
ChicagoSmart Define. 2013. "on impulse thesaurus" https://smartdefine.org/on_impulse/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2013, on impulse thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/on_impulse/thesaurus/synonyms>.
MLASmart Define. "on impulse thesaurus" 18 May 2013. Web. 27 September 2026. <https://smartdefine.org/on_impulse/thesaurus/synonyms>