The words of his mouth were smoother than butter, &c.— Smooth and deceitful are the buttery words of his mouth; but war is in his heart: his speeches are softer than oil; but they are drawn swords. See Chandler and Houbigant.
Related Commentaries of Psalms 55:21
Psalms 55:21
21 The words of his mouth were smoother than butter, but war was in his heart: his words were softer than oil, yet were they drawn swords.