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 ]
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 ]