Synonyms|363Antonyms|90|Broader|9Narrower|7Related|1k
1
taken unawares
1
temporary arrangement
1
temporary measure
1
thrown off(expression, adjective, adverb, mock, affected)
1
toss off(expression, free, casual, impulsive, spontaneous)
1
toss out(expression, free, casual, impulsive, spontaneous)
1
tossed off(expression, adjective, adverb, free, affected)
1
tripped up
1
unannounced(adjective, unexpected)
1
unartful(adjective, simple, natural, casual, impulsive)
1
unavoidable(adjective, simple, natural, casual, impulsive)
1
unbegun
1
unbidden(adjective, simple, natural, casual, impulsive)
1
uncalculated
1
uncompelled(adjective, simple, natural, casual, impulsive)
1
unconcocted
1
unconsidered
1
unconstrained(adjective, simple, natural, casual, impulsive)
1
undeliberated
1
unforced(adjective, simple, natural, casual, impulsive)
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ChicagoSmart Define. 2016. "impromptu thesaurus" https://smartdefine.org/impromptu/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, impromptu thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/impromptu/thesaurus/synonyms>.
MLASmart Define. "impromptu thesaurus" 28 January 2016. Web. 21 September 2026. <https://smartdefine.org/impromptu/thesaurus/synonyms>