بی رحم

۱. سنگدل.
۲. ظالم؛ ستمکار.

سنگدل

barbarous, brute, callous, cruel, grim, hard, hardhearted, harsh, inhuman, inhumane, iniquitous, merciless, obdurate, pitiless, relentless, remorseless, ruthless, savage, stony, truculent, unbending, uncharitable, unmerciful, unsparing