Another word for remorseless
Lacking remorse as a quality of character
shameless, hardened, obdurate, pitiless, merciless, harsh, cruel, barbarous, inhuman, unfeeling, indurate, tyrannical, hard-hearted, impenitent, unregenerate, uncontrite, unrepenting, ruthless, fierce, savage, unchristian, hard, intolerant, insensitive, greedy, avaricious, bloody, murderous, sanguinary.
implacable, inexorable, unrelenting, unyielding, unforgiving, vindictive, avenging, stern, harsh, exacting, bitter, hard-bitten, sour, grim, adamant, inflexible, perverse, intractable, strict, rigorous, tough, forbidding, crazed; see also severe 1, 2.
Another word for remorselessadjective
Having or showing no mercy:merciless, pitiless, unmerciful. See kind
Firmly, often unreasonably immovable in purpose or will:adamant, adamantine, brassbound, die-hard, grim, implacable, incompliant, inexorable, inflexible, intransigent, iron, obdurate, relentless, rigid, stubborn, unbendable, unbending, uncompliant, uncompromising, unrelenting, unyielding. Idiom: stubborn as a mule (or ox). See resist
Devoid of remorse:impenitent, unrepentant. See regret