Definition of "malevolently"

He glared malevolently at the shining porcelain, and then shook his head lugubriously.

1946, George Johnston, Skyscrapers in the Mist, page 25

They gathered soberly in the farthest recess of the ward and gossiped about him in malicious, offended undertones, rebelling against his presence as a ghastly imposition and resenting him malevolently for the nauseating truth of which he was bright reminder.

1961 November 10, Joseph Heller, “The Soldier in White”, in Catch-22 […], New York, N.Y.: Simon and Schuster, page 169