Psalms 5:9 Meaning: A Description of David's Enemies or All Humanity?

The verse is built on four images, each pointing to a different part of the body. Faithfulness in their mouth, the Hebrew word behind it means steadiness, something you can rely on. David says there is none. You cannot stake anything on what they say. Then their heart is destruction. The word for destruction is plural, literally “wickednesses.” It is not a single bad impulse but a whole workshop of harm. The throat is an open tomb, breathing out corruption the way a grave gives off decay. And they flatter with their tongue, the verb means “to make smooth,” like slick talk that hides the truth. The psalmist is not just angry. He is naming something that happens when words and heart do not match. The tongue can sound gentle while the throat is a death trap. That is worth sitting with.

Christians have read this verse two ways. Some, like Barnes and the Cambridge Bible, see it as a specific description of David’s enemies, most likely the men who followed Absalom in his coup. Those men made promises they never kept. Others, like Adam Clarke, hear Paul quoting this verse in Romans 3:13 and read it as a universal diagnosis. On that reading, David is describing what sin does to every human throat and heart. The two readings are not enemies. They agree that the picture is honest, and that only God’s intervention can open a closed tomb or make flattering lips tell the truth. Paul uses the verse not to condemn but to clear the ground for grace.

Some readers think this verse only applies to obviously wicked people, tyrants, traitors, enemies. They see themselves as the innocent victim standing next to David. In fact, Paul puts these very words in a list meant to show that “every mouth may be silenced” (Romans 3:19). The verse is a mirror, not just a window. It calls every reader to consider how often our speech is smoother than our hearts, and how desperately we need God to make us whole from the inside out.

This week, pay attention to the gap between what you say and what is really going on inside you. Notice the times you use smooth words to avoid a hard truth, or to make yourself look better than you are. Do not just resolve to talk nicer, that will not reach the throat or the heart. Instead, bring that gap to God. Ask Him to show you where your speech is covering destruction instead of confessing need. The psalmist prays for guidance precisely because he knows his enemies are not the only ones whose words can kill. Let that honesty lead you to the One who opens graves and makes honest tongues.