25 entries under snap 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 lib(expression, adjective, free, informal, casual)
1
at first glance(expression, idiom, free, informal, casual)
1
expedient(adjective, free, informal, casual)
1
immediate(adjective, free, informal, casual)
1
informal(adjective, free, casual, impulsive)
1
jamming(adjective, free, informal, casual)
1
made-up(adjective, free, informal, casual)
1
makeshift(adjective, free, informal, casual)
1
off the cuff(adjective, free, informal, casual)
1
off the top of head(expression, idiom, free, informal, casual)
1
spontaneous(adjective, free, informal, casual)
1
spur-of-the-moment(adjective, free, informal, casual)
1
taking for ride(expression, idiom, free, informal, casual)
1
thought out loud(expression, idiom, free, informal, casual)
1
tossed off(expression, adjective, free, informal, casual)
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APASmart Define. (2013). on impulse thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/on_impulse/thesaurus/synonyms
ChicagoSmart Define. 2013. "on impulse thesaurus" https://smartdefine.org/on_impulse/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2013, on impulse thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/on_impulse/thesaurus/synonyms>.
MLASmart Define. "on impulse thesaurus" 18 May 2013. Web. 26 September 2026. <https://smartdefine.org/on_impulse/thesaurus/synonyms>