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

54 entries under casual topic. ×

2
from the hip(expression, adjective, idiom, simple, natural)
2
improvisatory(free, impulsive, spontaneous, unprepared)
2
natural(adjective, simple, impulsive, willing)
1
autoschediastic(free, impulsive, spontaneous, unprepared)
1
break loose(expression, adjective, simple, natural)
1
down(adjective, simple, natural, impulsive)
1
expedient(free, impulsive, spontaneous, unprepared)
1
free spirited(expression, adjective, simple, natural)
1
immediate(free, quick, impulsive, abrupt)
1
impetuous(adjective, simple, natural, quick)
1
inevitable(adjective, simple, natural, impulsive)
1
irresistible(adjective, simple, natural, impulsive)
1
jamming(free, impulsive, spontaneous, unprepared)
1
off top of head(expression, adjective, idiom, adverb, simple)
1
on-the-spot(free, impulsive, spontaneous, unprepared)
1
on impulse(expression, free, impulsive, unrehearsed)
1
simple(adjective, natural, impulsive, willing)
1
spur of the moment(expression, idiom, adverb, free)
1
toss off(expression, free, impulsive, spontaneous)
1
toss out(expression, free, impulsive, spontaneous)
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APASmart Define. (2016). impromptu thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/impromptu/thesaurus/synonyms
ChicagoSmart Define. 2016. "impromptu thesaurus" https://smartdefine.org/impromptu/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, impromptu thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/impromptu/thesaurus/synonyms>.
MLASmart Define. "impromptu thesaurus" 28 January 2016. Web. 26 September 2026. <https://smartdefine.org/impromptu/thesaurus/synonyms>