Commentaries:
Jamieson, Fausset, and Brown
The treachery is aggravated by hypocrisy. The changes of number, Psalms 55:15, Psalms 55:23, and here, enliven the picture, and imply that the chief traitor and his accomplices are in view together.
Other Jamieson, Fausset, and Brown entries containing Psalms 55:20:
Numbers 30:2
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