ruthless

/-lis/adj.

● سنگدل، بی رحم، ستمگر، بی مروت

● ظالمانه، ستمگرانه، باقساوت

adjective
Merciless, pitiless, cruel, uncompassionate, unpitying, unmerciful, relentless, unrelenting, unsparing, inexorable, barbarous, fell, savage, ferocious, inhuman, hard hearted, truculent.