Synonyms|87Antonyms|19|Broader|1Narrower|0Related|36

33 entries under impromptu topic. ×

1
improviso(adjective, free, fake, casual, impulsive)
1
informal(adjective, free, casual, impulsive, spontaneous)
1
instinctive(adjective, natural)
1
made-up(adjective, free, casual, impulsive, spontaneous)
1
off the top of head(expression, adjective, idiom, free, casual)
1
on-the-spot(adjective, free, fake, casual, impulsive)
1
on impulse(expression, adjective, free, fake, casual)
1
unscripted(adjective, spontaneous, unprepared)
0
artless(adjective, natural)
0
naive(adjective, natural)
0
off the hip(expression, adjective, idiom, throwaway)
0
throwaway(adjective, extemporaneous)
0
without preparation(expression, adjective, throwaway, extemporaneous)
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APASmart Define. (2015). extemporary thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/extemporary/thesaurus/synonyms
ChicagoSmart Define. 2015. "extemporary thesaurus" https://smartdefine.org/extemporary/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, extemporary thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/extemporary/thesaurus/synonyms>.
MLASmart Define. "extemporary thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/extemporary/thesaurus/synonyms>