Easton's Bible Dictionary: M. G. Easton, M.A., D.D.
In Ps. 15:3, the rendering of a word which means to run about tattling, calumniating; in Pr. 25:23, secret talebearing or slandering; in Rom. 1:30 and 2 Cor. 12:20, evil-speaking, maliciously defaming the absent.