Wiktionary
murtherous
a. 1 (context archaic English) Intending, or likely to commit murder; bloodthirsty or homicidal. 2 (context archaic English) bloody; violent.
Usage examples of "murtherous".
A desperate young woman and her new paramour, in murtherous conspiracy, doing away with the obstacle to their love.
All others present had, perhaps understandably, fixated on those features of the monster which were altogether normal for a rock snarl in the grip of murtherous rage—I speak, of course, of the eyes blazing like the ovens of hell, the fangs like cutlasses, the talons like sabers, the lashing tail, the great haunches even now crouching for the death leap, and so on and so forth.