Psalms 139:20
For they speak against thee wickedly, and thine enemies take thy name in vain.
Psalms 139:20 (KJV)
Context
Psalm 139 is attributed to King David and is a deeply personal reflection on God’s omniscience, omnipresence, and intimate knowledge of every individual. In the preceding verses, David marvels that God knows his thoughts, actions, and whereabouts. By verse 20, David turns his attention to the wicked, expressing his distress over those who speak against God and misuse His name.
Meaning
The phrase “they speak against thee wickedly” refers to those who speak evil against God’s being, His perfections, His purposes, and His ways. Some renderings suggest the idea of speaking “of thee for wickedness,” meaning they mention God’s name to cover their own evil, pretending reverence while denying His power. The second clause, “thine enemies take thy name in vain,” points to enemies who misuse God’s name, either through profane swearing or by using it deceitfully to support falsehood.
David is not merely expressing personal offense; he is troubled by the dishonor shown to God’s holy name. His words reflect a heart devoted to God’s honor and a clear recognition of the seriousness of misusing God’s name.
Biblical connections
This verse directly echoes the third commandment, which forbids taking the Lord’s name in vain (Exodus 20:7). David’s response in the surrounding verses (vv. 19-22) shows that he hates those who hate God, not as fellow creatures, but as haters of God, and he appeals to God’s omniscience for the truth of his own sincerity.
Application
This verse reminds believers of the importance of reverence for God’s name. It also acknowledges the reality that there will always be those who oppose and speak against God. As believers, we are called to honor and uphold the holiness of God’s name in our own lives and to respond to opposition with love, grace, and prayer.
Reflection
Consider how you use God’s name in daily speech and in prayer. Do your words reflect a deep reverence for Him? David’s distress over the misuse of God’s name challenges us to examine our own hearts and to align ourselves with God’s honor, standing firm in our faith even when others speak against Him.

