Impromptu
Impromptu adverb - Without advance preparation.
Precipitously and impromptu are semantically related. In some cases you can use "Precipitously" instead an adverb "Impromptu".
Precipitously
Precipitously adverb - With excessive or careless speed.
Usage example: the sight of swimmers exiting the water precipitously when some joker shouted “Shark!”
Impromptu and precipitously are semantically related. Sometimes you can use "Impromptu" instead an adverb "Precipitously".
Mutual synonyms
Cite this Source
Precipitously and Impromptu. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/impromptu/precipitously
Impromptu & Precipitously. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/impromptu/precipitously>.
Precipitously or Impromptu. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/impromptu/precipitously.
Google Ngram Viewer shows how "impromptu" and "precipitously" have occurred on timeline