The wyrmlings' plan was so diabolical that Aaath Ulber felt sickened.

Never in my life have I seen waters so diabolical.

Would you be so diabolical as to use against her any utterances of delirium?

Presently he conceived a plan so diabolical that none but Satan himself could have inspired it!

How was it possible for me to be so eager, so obstinate, in a purpose so diabolical?

I didn't know there was any one living who could be so cruel, so cold, so diabolical.

Tell me the name of the fiend incarnate who could do so diabolical a deed, for you know?

The Lord change every such perverse will, and preserve the church from principles and practices so diabolical-(Burder)

Descub., Ms.) The historian should be slow in ascribing conduct so diabolical to Father Valverde, without evidence.

Don Prospero heard enough to make him acquainted with their scheme, so diabolical you will scarcely give credence to it.

But if that was true, what trap had Raj Ahten set that was so diabolical that it could not be thwarted?

Only the twisted mind who'd designed her bedchamber's nightmare-inspired décor would display something so diabolical as a row of false books.

Here the pale lips were contracted by one of those frightful smiles, which gave to Rodin's countenance so diabolical an expression.

No, not quite all, for back of her smiles lurked a purpose so dark, so diabolical, 'twas not strange I failed to fathom it.

"That's so diabolical," I fired at her.