Harsh
Harsh adjective - Difficult to endure.
Unmerciful is a synonym for harsh in cruel topic. In some cases you can use "Unmerciful" instead an adjective "Harsh", when it comes to topics like hard-hearted.
Unmerciful
Unmerciful adjective - Having or showing a lack of sympathy or tender feelings.
Usage example: the critics were unmerciful in their assessments of the young actress's performance
Harsh is a synonym for unmerciful in behaviour topic. You can use "Harsh" instead an adjective "Unmerciful", if it concerns topics such as character trait, cruel, ruthless.
Nearby Word: unmercifully
Mutual synonyms
Cite this Source
Unmerciful and Harsh. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/harsh/unmerciful
Harsh & Unmerciful. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/harsh/unmerciful>.
Unmerciful or Harsh. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/harsh/unmerciful.
Google Ngram Viewer shows how "harsh" and "unmerciful" have occurred on timeline