45 entries under casual topic. ×

1
immediate(adjective, free, informal, snap)
1
informal(adjective, free, impulsive, snap)
1
jamming(adjective, free, informal, snap)
1
made-up(adjective, free, informal, snap)
1
makeshift(adjective, free, informal, snap)
1
off the cuff(adjective, free, informal, snap)
1
off the top of head(expression, idiom, free, informal)
1
offhand(adjective, free, informal, impulsive)
1
snap(adjective, free, informal, impulsive)
1
spur-of-the-moment(adjective, free, informal, snap)
1
taking for ride(expression, idiom, free, informal)
1
thought out loud(expression, idiom, free, informal)
1
toss off(expression, adjective, free, fake)
1
toss out(expression, adjective, free, fake)
1
tossed off(expression, adjective, free, informal)
1
tossed out(expression, adjective, free, informal)
1
unplanned(adjective, free, informal, impulsive)
1
unpremeditated(adjective, free, informal, impulse)
1
unprepared(adjective, free, informal, snap)
1
unrehearsed(adjective, free, informal, impulsive)
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APASmart Define. (2013). improvisatory thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/improvisatory/thesaurus/synonyms
ChicagoSmart Define. 2013. "improvisatory thesaurus" https://smartdefine.org/improvisatory/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2013, improvisatory thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/improvisatory/thesaurus/synonyms>.
MLASmart Define. "improvisatory thesaurus" 19 May 2013. Web. 25 September 2026. <https://smartdefine.org/improvisatory/thesaurus/synonyms>