Annul
Annul verb - To balance with an equal force so as to make ineffective.
Mutual synonyms
Cite this Source
Swamp and Annul. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/annul/swamp
Annul & Swamp. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/annul/swamp>.
Swamp or Annul. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/annul/swamp.
Google Ngram Viewer shows how "annul" and "swamp" have occurred on timeline