diabolical

Boko Haram presents a more diabolical danger than anybody could have imagined a half-century ago.

The lady was passée, vulgar, and her temper was almost diabolical; but she still retained her hold upon Lord Hetton's affections.

If Maria does not take care, I shall write a much sharper invective against her, for not answering my Diabolical book.

Assassination and incendiarism were the common instruments of this diabolical association of fanaticism and bigotry.

What if that uncanny demon should return, and undo all his labor by some diabolical plan or act?

This wonder was accomplished by the magic power of a diabolical Rose which the lady carried in her bodice.