Merciless
Mortal
Mortal adjective - Unrelenting and deadly.
Usage example: mortal enemy
Merciless is a synonym for mortal in irreconcilable topic. Sometimes you can use "Merciless" instead an adjective "Mortal", if it concerns topics such as deadly.
Mutual synonyms
Related pairs
Cite this Source
Mortal and Merciless. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/merciless/mortal
Merciless & Mortal. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/merciless/mortal>.
Mortal or Merciless. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/merciless/mortal.
Google Ngram Viewer shows how "merciless" and "mortal" have occurred on timeline