diabolical

adj 1: showing the cunning or ingenuity or wickedness typical of a

devil; "devilish schemes"; "the cold calculation and

diabolic art of some statesmen"; "the diabolical

expression on his face"; "a mephistophelian glint in

his eye" [syn: {devilish}, {diabolic}, {mephistophelian},

{mephistophelean}]

2: extremely evil or cruel; expressive of cruelty or befitting

hell; "something demonic in him--something that could be

cruel"; "fires lit up a diabolic scene"; "diabolical

sorcerers under the influence of devils"; "a fiendish

despot"; "hellish torture"; "infernal instruments of war";

"satanic cruelty"; "unholy grimaces" [syn: {demonic}, {diabolic},

{fiendish}, {hellish}, {infernal}, {satanic}, {unholy}]