Plunge
Plunge noun - The act or process of going to a lower level or altitude.
Usage example: an overnight plunge in temperature sent the thermometer to below the freezing mark
Progression is an antonym for plunge.
Progression
How words are described
Cite this Source
Progression and Plunge. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/plunge/progression
Plunge & Progression. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/plunge/progression>.
Progression or Plunge. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/plunge/progression.
Google Ngram Viewer shows how "plunge" and "progression" have occurred on timeline