cruelly Synonyms

unjustifiably revengefully fiendishly diabolically humourlessly irritatingly barbarically hardheartedly cold-bloodedly coldheartedly distressingly grievously ferociously fiercely gloatingly unmusically obdurately unjustly annoyingly brutishly piercingly viciously callously unfeelingly maliciously mercilessly pitilessly remorselessly unmercifully heinously in cold blood heartlessly unemotionally unforgivingly ungratefully unrepentantly unrighteously unsentimentally unsmilingly unsparingly unsympathetically vengefully venomously vindictively wolfishly undemocratically unbearably tunelessly relentlessly inhumanely