Synonyms for cruel

Some common synonyms of cruel are: cruel [a.] 1. Unmerciful, inhuman, merciless, unfeeling, uncompassionate, fell, dire, ruthless, barbarous, pitiless, relentless, unrelenting, inexorable, savage, ferocious, brutal, sanguinary, truculent, blood-thirsty, hard-hearted. 2. Severe, hard, sharp, bitter.