Thesaurus

impromptu

adjective

Synonyms & Antonyms of impromptu

(Entry 1 of 3)

made or done without previous thought or preparation
  • our dinner guest thanked us with an impromptu song

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impromptu

noun

Synonyms & Antonyms of impromptu (Entry 2 of 3)

something that is performed, made, or done without preparation
  • although five different lines had been written, the best choice turned out to be an impromptu from the tired actor himself

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impromptu

adverb

Synonyms & Antonyms of impromptu (Entry 3 of 3)

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The first known use of impromptu was in 1683

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Cite this Entry

“Impromptu.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impromptu. Accessed 31 Oct. 2020.

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