Acid
Rancorous
Rancorous adjective - Having or showing deep-seated resentment.
Usage example: a rancorous autobiography in which the author heaps blame on just about everyone who had the misfortune of knowing him
Acid and rancorous are semantically related. Sometimes you can use "Acid" instead an adjective "Rancorous".
Mutual synonyms
Cite this Source
Rancorous and Acid. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/acid/rancorous
Acid & Rancorous. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/acid/rancorous>.
Rancorous or Acid. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/acid/rancorous.
Google Ngram Viewer shows how "acid" and "rancorous" have occurred on timeline