in·human·ity [inhumanityinhumanities] BrE [ˌɪnhjuːˈmænəti] NAmE [ˌɪnhjuːˈmænəti] noun uncountable cruel behaviour or treatment; the fact of not having the usual human qualities of kindness and pity •man's inhumanity to man •the inhumanity of the system Opp: ↑humanity
Word Origin: late 15th cent.: from Old French inhumanite or Latin inhumanitas, from inhumanus ‘inhuman’.