ruthless Definition

merciless, remorseless, pitiless, unmerciful, unpitying, brutal, bloodthirsty, heartless, ferocious, savage, brutish, implacable, vicious, cruel, callous, relentless, uncompromising, cavalier, unforgiving, predatory, barbaric, unrelenting, inhuman, fierce, unyielding, unbending, barbarous, wanton, unscrupulous, harsh, bloody, feral, tough, reckless, draconian, radical, atrocious, murderer, inhumane, unremitting, deadly, unbridled, destroy, cruelty, quarrelsome, grim, irresponsible, inexorable, hard, inflexible, severe, absolute, unrestrained, twisted, dire, intractable, abrupt, rough, naked, wild, cool, incontrovertible, wilderness, sauvage, lodgepole, wildlife, cold-blooded, cut-throat, hard-hitting, stone-cold, wild-type, murderous, cunning, vengeful, sadistic, rapacious, amoral, vindictive, coldhearted, devious, thuggish, tyrannical, imperious, avaricious, conscienceless, diabolical, arrogant, greedy, fearsome, machiavellian, spiteful, shrewd, manipulative, unfeeling, cowardly, dictatorial, malevolent, revengeful, despotic, despicable,