Martin Luther King, Jr.âs father, Martin Luther King, Sr. was not only a registered Republican, but he publicly endorsed Richard M. Nixon (a Republican) for President.
The definition of diabolical is something devilish or cunning in an evil way. A devilish and cunning plan to take over the world is an example of a diabolical plan. also diÂ·aÂ·bolÂ·ic. adjective. 1  Of, concerning, or characteristic of the devil; satanic.  Appropriate to a devil, especially in degree of wickedness or cruelty.
devilish, diabolic, diabolical, mephistophelian, mephistophelean (adj). 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.