Impromptu
Impromptu adjective - Made or done without previous thought or preparation.
Improvise
Improvise verb - To perform, make, or do without preparation.
Impromptu and improvise are semantically related. Sometimes you can use "Impromptu" instead an adjective "Improvise".
Nearby Words: improvisation, improvising
Mutual synonyms
Cite this Source
Improvise and Impromptu. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/impromptu/improvise
Impromptu & Improvise. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/impromptu/improvise>.
Improvise or Impromptu. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/impromptu/improvise.
Google Ngram Viewer shows how "impromptu" and "improvise" have occurred on timeline