diabolical

• It was diabolical, a thinned-down reheat of some earlier brew. —  R. D. Wingfield - Frost at Christmas
• He just felt generally diabolical, and tried merely to keep enough good sense not to turn his temper in any particular direction. —  Lawrence - Kangaroo
• Even more diabolical, hispanics could interbreed with blacks, and thus the entire black race be destroyed at no genetic cost to ourselves. —  1. MajorityRights.com (main blog)
• I thought they might amuse you for a while They were simply diabolical--but just on a par with all the rest! —  Peggy-Alone
• A grin that was scarcely human and almost diabolical, as if the miserable creature had caught sight of the shriveled soul peering through the chinks which imprisoned his rat eyes and found a malignant enjoyment in the contemplation of its contemptible littleness From this debasing inspection Raikes turned slowly to the washstand to remove the grime from his face, with an impersonal deliberation that was not only unnatural under the circumstances, but which awakened the eerie suggestion that he was expending his effort upon another than himself From this moment he became strangely calm; the sharp decision of his lips was never so pronounced A baleful, unwavering gleam distinguished his glance. —  The Flaw in the Sapphire

Roget's II: The New Thesaurus

Allen's Synonyms and Antonyms

Used in the Same Context