Definition of diabolical

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  • diabolical is a valid Scrabble US word with a point value of 15
  • diabolical is a valid Scrabble UK word with a point value of 15
  • diabolical is a valid Words with friends word with a point value of 19

Definition of diabolical

  • showing the cunning or ingenuity or wickedness typical of a devil (adjective)

    Examples

    1. the diabolical expression on his face

    Synonyms

    1. devilish
    2. diabolic
    3. mephistophelean
    4. mephistophelian
  • extremely evil or cruel; expressive of cruelty or befitting hell (adjective)

    Examples

    1. diabolical sorcerers under the influence of devils

    Synonyms

    1. demonic
    2. diabolic
    3. fiendish
    4. hellish
    5. infernal
    6. satanic
    7. unholy

See definition of diabolical in Merriam Webster