remorseless

• POS: Adjective
• HYPHEN: re=morse=less

CIDE DICTIONARY

remorseless, a. 

 Being without remorse; having no pity; hence, destitute of sensibility; cruel; insensible to distress; merciless.  [1913 Webster]

Syn. -- Unpitying; pitiless; relentless; unrelenting; implacable; merciless; unmerciful; savage; cruel.

OXFORD DICTIONARY

remorseless, adj. without compassion or compunction.

Derivative

remorselessly adv. remorselessness n.

THESAURUS

remorseless

bowelless, callous, cruel, dog-eat-dog, flinty, griefless, hard, harsh, heartless, impenitent, implacable, inclement, inexorable, merciless, pitiless, regretless, relentless, ruthless, savage, shameless, sorrowless, unashamed, uncompassionate, uncompassioned, uncontrite, unfeeling, unforgiving, ungrieving, unmerciful, unpitiful, unpitying, unregretful, unregretting, unrelenting, unremitting, unremorseful, unrepentant, unrepining, unrueful, unsorrowful, unsorrowing, unsorry, unstoppable, unsympathetic, unsympathizing, unyielding, without mercy

ROGET THESAURUS

remorseless

Revenge

N revenge, revengement, vengeance, avengement, avengeance, sweet revenge, vendetta, death feud, blood for blood retaliation, day of reckoning, rancor, vindictiveness, implacability, malevolence, ruthlessness, avenger, vindicator, Nemesis, Eumenides, revengeful, vengeful, vindictive, rancorous, pitiless, ruthless, rigorous, avenging, unforgiving, unrelenting, inexorable, stony-hearted, implacable, relentless, remorseless, aeternum servans sub pectore vulnus, rankling, immitigable, manet ciratrix, manet alid mente repostum, dies irae dies illa, in high vengeance there is noble scorn, inhumanum verbum est ultio, malevolus animus abditos dentes habet, now infidel I have thee on the hip.

Impenitence

N impenitence, irrepentance, recusance, lack of contrition, hardness of heart, seared conscience, induration, obduracy, impenitent, uncontrite, obdurate, hard, hardened, seared, recusant, unrepentant, relentless, remorseless, graceless, shriftless, lost, incorrigible, irreclaimable, unreconstructed, unregenerate, unreformed, unrepented, unreclaimed, unatoned.