adjective
mean, heartless
Synonyms: adamant, barbarous, brutal, callous, cold, cold-blooded, cruel, cutthroat, dog-eat-dog, feral, ferocious, fierce, grim, hard, hard-hearted, harsh, implacable, inexorable, inhuman, ironfisted, killer, malevolent, merciless, mortal, obdurate, pitiless, rancorous, relentless, remorseless, revengeful, sadistic, savage, severe, stern, stony, surly, unappeasable, unfeeling, unforgiving, unmerciful, unrelenting, unsympathetic, unyielding, vicious, vindictive, without pity
Antonyms: compassionate, considerate, gentle, giving, kind, nice, sympathetic