Wiktionary
a. (alternative form of black-hearted English)
Usage examples of "blackhearted".
Jay had always resented the way she was spoken of in reverent tones, and now he welcomed gleefully the news that she had been a 330 Ken Follett blackhearted villain.
King Roari and the consolidated Argonian Army and Navy, and the three-dragon Air Force, have already set sail to foil the blackhearted aggressors.
Until the blackhearted bastard had renounced her and his marriage to her so that he might advance to offices wherein marriage was not allowed.
And there is no one more blackhearted and surly than an ex-king, or a person who harbors, in the dark channels of his body, the memory of kingship.
You see, I must bet with this blackhearted bastard, but your Eastwood owes me half his inn!
He was a blackhearted wretch and, as is now evident, let a man go to the electric chair for himself.
They’re turning out every bit as blackhearted as we ever wanted our Booboo to be.