unmerciful Definition

merciless, pitiless, remorseless, ruthless, mortal, fierce, tigerish, cutthroat, bowelless, unpitying, relentless, brutal, unforgiving, cruel, heartless, callous, harsh, rough, quarrelsome, please, cold-blooded, stone-cold, unrelenting, ferocious, vicious, savage, implacable, unfeeling, brutish, inhuman, sadistic, torturous, monstrous, unyielding, beastly, vengeful, spiteful, bloodthirsty, coldhearted, wicked, vindictive, ungodly, insensate, hellish, fearsome, vile, unsparing, incessant, hellacious, unmercied, unremitting, wrathful, untempered, unceasing, rageful, unthankful, withering, damnable, ceaseless, unbearable, defenseless, maniacal, impenitent, exacting, diabolical, vengeable, unreasoning, sanctimonious, bestial, insufferable, righteous, lacerating, wanton, abominable, wretched, loathsome, recriminatory, abject, dunderheaded, artless, contemptible, unheeding, excruciating, opprobrious, unspeakable, brusk, unwonted, captious, unendurable, scabrous, unseeing, animalistic, untamable, cultureless, vituperative, intemperate, mindless, adamantine, desolating, numbing,