diabolic

Meanings

Adjective Satellite

• showing the cunning or ingenuity or wickedness typical of a devil
  • "the cold calculation and diabolic art of some statesmen"
  • "the diabolical expression on his face"
• extremely evil or cruel; expressive of cruelty or befitting hell
  • "fires lit up a diabolic scene"
  • "diabolical sorcerers under the influence of devils"

Synonyms

demonic, devilish, diabolical, fiendish, hellish, infernal, mephistophelean, mephistophelian, satanic, unholy