heartless Synonyms

hardhearted uncharitable unconcerned unfeeling unhuman unkind unmerciful unsparing vicious virtueless wicked relentless unamiable tyrannous remorseless ruthless savage severe soulless steely stony thick-skinned tough unpitying unsusceptible unimpassioned uncaring unsentimental stony-hearted stonyhearted uncompassionate unimpressionable unsoldierly unstirred unsympathetic inhumane coldhearted unforgiving aversive barbaric heavy-handed heartstrings unloving calloused sadistic case-hardened hard-boiled unsympathizing raptorious barbarous