manslaughterousadj.

1853 New Illustr. Hydropathic Q. Rev. 1 119 While the medical science of the day is so full of false philosophy and manslaughterous practice, [etc.].

1862 Vanity Fair (N.Y.) 12 Apr. 181/2 Another peculiarity developed in the Ram by the Rebellion, is a decidedly homicidal or manslaughterous proclivity.

1866 All Year Round 15 155/2 The manslaughterous vans being larger and more numerous here than at almost any other crossing, the guardians of our public streets find themselves scarcely heeded by the multitude.

1883 Pall Mall Gaz. 6 Jan. 5 A murderous or even a manslaughterous part.

1898 Notes & Queries 5 Mar. 183/1 A description which makes one feel almost manslaughterous.

1926 H. M. Shelton Living Life to live It Longer 3 The manslaughterous bleeding and drugging of the last century, the drugging reaching well into this century, caused the death of many thousands of patients, young and old.

1945 J. Masefield Macbeth Production 4 Perhaps the passionate, manslaughterous life of the sagas was familiar to both kings from boyhood.

2010 M. Jackson Selkie Bride v. 48 Then I recalled Fergus's note saying to shed fey blood was to summon brutal tempests, so actions manslaughterous must be put on hold unless I was directly threatened.