/ ˌɪnhjuːˈmænəti; NAmE / noun
[ U ] 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
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WORD ORIGIN
late 15th cent.: from Old French inhumanite or Latin inhumanitas , from inhumanus inhuman.