diablerie \dee-AH-ble-ree, -ab-luh-\ (noun) - 1 : Sorcery; witchcraft. 2 : Representation of devils or demons, as in paintings or fiction. 3 : Devilish conduct; deviltry.
"Laura was quick to explain to those interested that her practice of Wicca stemmed from her sincere beliefs rather than any diablerie or other sinister leanings."
French, from Old French, from diable, devil, from Latin diabolus.