15 entries under expression topic. ×

2
by ear(adjective, free, fake, informal)
1
ad hoc(adjective, free, casual, unrehearsed)
1
ad lib(adjective, free, informal, casual)
1
at first glance(idiom, free, informal, casual)
1
off the top of head(idiom, free, informal, casual)
1
taking for ride(idiom, free, informal, casual)
1
thought out loud(idiom, free, informal, casual)
1
toss off(adjective, free, fake, casual)
1
toss out(adjective, free, fake, casual)
1
tossed off(adjective, free, informal, casual)
1
tossed out(adjective, free, informal, casual)
1
winging it(adjective, free, casual, unrehearsed)
0
off top of head(adjective, idiom, informal, snap)
0
on the spot(adjective, idiom, free, casual)
0
spur of the moment(adjective, idiom, free, fake)
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APASmart Define. (2013). on impulse thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/on_impulse/thesaurus/synonyms
ChicagoSmart Define. 2013. "on impulse thesaurus" https://smartdefine.org/on_impulse/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, on impulse thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/on_impulse/thesaurus/synonyms>.
MLASmart Define. "on impulse thesaurus" 18 May 2013. Web. 21 September 2026. <https://smartdefine.org/on_impulse/thesaurus/synonyms>