Wantonness(noun)
Disposition to willfully inflict pain and suffering on others.
Hindi meaning:कष्ट देना
Synonyms: Atrocity, Barbarity, Fiendishness, Sadism
Antonyms: Kindness, Sympathy, Humaneness
Example: The barbaric wantonness with which the guards treated the prisoners of war.
Trick to remember: Tones of Wantonness mili yha logo ko. 
