Synonyms for Pitilessness

Brutality
animalism animality atrocity barbarity bloodlust brutality cruelty	extremity ferocity harshness inclemency inhumanity intensity mindlessness	pitilessness rigor roughness ruthlessness sadism savagery severity	sharpness terrorism truculence vandalism vehemence violence

Unfeeling
analgesia anesthesia callousness coldness	deadness dullness hardness insensibility	insensitivity narcosis numbness pins and needles	pitilessness thick skin unfeeling