diabolical

Adj.	1.	diabolical - 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" Synonyms: devilish, diabolic, mephistophelean, mephistophelian
	2.	diabolical - 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" Synonyms: demonic, fiendish, satanic, unholy, hellish, infernal, diabolic