Synonyms|363Antonyms|90|Broader|9Narrower|7Related|1k

38 entries under free topic. ×

4
informal(adjective, casual, impulsive, spontaneous)
4
snap(adjective, casual, impulsive, prepared)
3
fake(adjective, adverb, casual, impulsive)
2
by ear(expression, adverb, offhand, unrehearsed)
2
improvisatory(casual, impulsive, spontaneous, unprepared)
2
made-up(adjective, adverb, impulsive, spontaneous)
1
autoschediastic(casual, impulsive, spontaneous, unprepared)
1
expedient(casual, impulsive, spontaneous, unprepared)
1
immediate(casual, quick, impulsive, abrupt)
1
jamming(casual, impulsive, spontaneous, unprepared)
1
off the top of head(expression, idiom, adverb, unrehearsed)
1
on-the-spot(casual, impulsive, spontaneous, unprepared)
1
on impulse(expression, casual, impulsive, unrehearsed)
1
spur of the moment(expression, idiom, adverb, casual)
1
toss off(expression, casual, impulsive, spontaneous)
1
toss out(expression, casual, impulsive, spontaneous)
1
tossed off(expression, adjective, adverb, affected)
1
winging it(expression, casual, impulsive, unrehearsed)
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APASmart Define. (2016). impromptu thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/impromptu/thesaurus/synonyms
ChicagoSmart Define. 2016. "impromptu thesaurus" https://smartdefine.org/impromptu/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, impromptu thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/impromptu/thesaurus/synonyms>.
MLASmart Define. "impromptu thesaurus" 28 January 2016. Web. 25 September 2026. <https://smartdefine.org/impromptu/thesaurus/synonyms>