Impromptu
Impromptu adjective - Made or done without previous thought or preparation.
Quickened
Impromptu and quickened are semantically related. Sometimes you can use "Impromptu" instead an adjective "Quickened".
Nearby Words: quicken, quickening
Cite this Source
Quickened and Impromptu. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/impromptu/quickened
Impromptu & Quickened. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/impromptu/quickened>.
Quickened or Impromptu. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/impromptu/quickened.
Google Ngram Viewer shows how "impromptu" and "quickened" have occurred on timeline