38 entries under improvised 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
ad hoc(expression, adjective, free, casual, unrehearsed)
1
ad lib(expression, adjective, free, informal, casual)
1
at first glance(expression, idiom, free, informal, casual)
1
automatic(adjective, free, informal, casual, impulsive)
1
casual(adjective, free, informal, impulsive, unprepared)
1
expedient(adjective, free, informal, casual, snap)
1
extemporaneous(adjective, free, casual, impulsive, spontaneous)
1
extemporary(adjective, free, fake, casual, impulsive)
1
extempore(adjective, free, casual, impulsive, unprepared)
1
free(adjective, informal, casual, impulsive, unprepared)
1
immediate(adjective, free, informal, casual, snap)
1
impromptu(adjective, free, casual, impulsive, unprepared)
1
informal(adjective, free, casual, impulsive, snap)
1
jamming(adjective, free, informal, casual, snap)
1
made-up(adjective, free, informal, casual, snap)
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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>