callous indifference to or pleasure in causing pain and suffering.
he has treated her with extreme cruelty
同义词：
brutalitysavagerysavagenessinhumanitybarbarismbarbarousnessbrutishnessbloodthirstinessmurderousnessviciousnessferocityferociousnessfiercenesscallousnesssadismruthlessnessrelentlessnessmercilessnesspitilessnessremorselessnesslack of regardlack of sympathylack of charityheartlessnesscold-heartednesscold-bloodednessseverityharshnessinclemencywickednessbadnessbasenessiniquityevilfiendishnessdevilishnessheinousnessnastinessunkindnessabuserare：ferity
