Interim
Interim adjective - Intended to last, continue, or serve for a limited time.
Impromptu and interim are semantically related. in provisional topic. In some cases you can use "Impromptu" instead an adjective "Interim".
Impromptu
Impromptu adjective - Made or done without previous thought or preparation.
Mutual synonyms
Cite this Source
Impromptu and Interim. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/interim/impromptu
Interim & Impromptu. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/interim/impromptu>.
Impromptu or Interim. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/interim/impromptu.
Google Ngram Viewer shows how "interim" and "impromptu" have occurred on timeline