English to English

adjective satellite (s)

• showing the cunning or ingenuity or wickedness typical of a devil(adj.all)

  Example:
  The diabolical expression on his face.
  

  Synonym:
  devilish, diabolic, mephistophelean, mephistophelian
  

  source: wordnet30
• extremely evil or cruel; expressive of cruelty or befitting hell(adj.all)

  Example:
  Diabolical sorcerers under the influence of devils.
  

  Synonym:
  demonic, diabolic, fiendish, hellish, infernal, satanic, unholy
  

  source: wordnet30