Commentaries:
Jamieson, Fausset, and Brown
guide—literally, "friend" (Proverbs 16:28; Proverbs 17:9).
acquaintance—in Hebrew, a yet more intimate associate.
This description of treachery does not deny, but aggravates, the injury from enemies.
Other Jamieson, Fausset, and Brown entries containing Psalms 55:13:
Jeremiah 20:10
Matthew 10:36
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