Opponent
Opponent noun - One that takes a position opposite another in a competition or conflict.
Sworn enemy and opponent are semantically related. In some cases you can use "Sworn enemy" instead a noun "Opponent".
Sworn enemy
Opponent and sworn enemy are semantically related. You can use "Opponent" instead a noun phrase "Sworn enemy".
Cite this Source
Sworn enemy and Opponent. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/opponent/sworn_enemy
Opponent & Sworn enemy. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/opponent/sworn_enemy>.
Sworn enemy or Opponent. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/opponent/sworn_enemy.
Google Ngram Viewer shows how "opponent" and "sworn enemy" have occurred on timeline