Jude 1:10 Meaning and Explanation
“But these speak evil of those things which they know not: but what they know naturally, as brute beasts, in those things they corrupt themselves.”
King James Version (KJV)
Read this verse in context with translation switching:
Read Full Chapter →Jude's warning reaches beyond mistaken ideas to the character formed by those ideas. Speech that mocks sacred realities often grows alongside desires left without holy direction. The verse urges sober humility about what we know and careful stewardship of the bodily, relational, and moral life God has given.
Jude exposes corrupt teachers whose reckless speech rejects realities beyond their understanding, while their unchecked natural appetites become the very sphere in which they damage themselves.
The Context of Jude 1:10
Verse 10 follows Jude's account of Michael the archangel, who refused a railing accusation against the devil and appealed to the Lord's rebuke. That example contrasts with the people described in verse 8 as dreamers who defile the flesh, despise dominion, and speak evil of dignities. Jude now explains their posture more fully: they slander matters beyond their understanding and follow a merely natural pattern in matters they do know. Verse 11 associates them with Cain, Balaam, and Core. The following verses portray them as self-feeding guests, waterless clouds, fruitless trees, raging waves, and wandering stars. The letter finally turns again to strengthen and guide the beloved.
What Does Jude 1:10 Mean?
Jude first identifies a problem of speech: "these speak evil of those things which they know not." The phrase reaches back to the dignities of verse 8 and includes realities these people treat with contempt despite their ignorance. Their speech is reckless because it claims mastery where they lack understanding. Jude then turns to what they "know naturally." He compares their mode of knowing to "brute beasts," creatures governed by instinct rather than moral discernment. The comparison does not deny the goodness of creaturely life or bodily existence. Jude condemns the loss of reverent, accountable judgment. In the very realm of appetite and impulse, where they imagine freedom, they "corrupt themselves." Their corruption is self-damaging and morally destructive.
Jude's language fits the chapter's exposure of teachers who used grace to encourage lasciviousness. Their error appears in conduct as well as speech. They reject limits and authority, then their desires become ruling forces. The next verse supplies biblical portraits of this pattern: Cain's jealous violence, Balaam's greed for reward, and Core's gainsaying. Jude's images in verses 12 and 13 further show apparent religious participation without nourishing fruit. The warning applies first to the intruders, yet the letter protects the whole congregation by teaching them how to recognize dangerous leadership. Reliable teaching bears a different fruit: humility before God, reverence toward holy things, self-giving care for others, prayer, and a life shaped by the faith once delivered to the saints.
A close canonical parallel appears in 2 Peter 2, where people who speak evil of matters they do not understand are compared with natural brute beasts and face destruction in their corruption. Together the passages show that human reason and bodily desire flourish under God's wise ordering. Jude's own conclusion provides the positive path. Believers build themselves on their most holy faith, pray in the Holy Ghost, keep themselves in God's love, and look for the mercy of Jesus Christ unto eternal life. Christ's mercy meets us where sin has damaged us and calls us into a life of holy hope. His lordship gives a truer freedom than the false liberty promised by corrupt desire.
Bible Verses Related to Jude 1:10
“But these, as natural brute beasts, made to be taken and destroyed, speak evil of the things that they understand not; and shall utterly perish in their own corruption;”
- 2 Peter 2:12
“Likewise also these filthy dreamers defile the flesh, despise dominion, and speak evil of dignities.”
- Jude 1:8
“Woe unto them! for they have gone in the way of Cain, and ran greedily after the error of Balaam for reward, and perished in the gainsaying of Core.”
- Jude 1:11
“Because that, when they knew God, they glorified him not as God, neither were thankful; but became vain in their imaginations, and their foolish heart was darkened.”
- Romans 1:21
Where Jude 1:10 Echoes in Scripture
2 Peter 2:12 closely echoes Jude 1:10 in both its language and concern. It describes people who speak evil of matters they do not understand and compares them with natural brute beasts. The parallel confirms that Jude is warning about arrogant ignorance joined to corrupt desire. Both passages direct readers to discern teaching by its relation to truth, moral fruit, and reverence for God's authority.
How to Apply Jude 1:10 Today
We live amid confident speech about matters people have scarcely examined. Jude invites us to practice a different posture: learn carefully, admit limits, and resist the pleasure of contempt. This reaches into online conversations, family disagreements, work pressures, entertainment, money, sexuality, and private habits. Our bodies and desires matter to God, so they deserve prayerful attention and wise boundaries. When an appetite begins to rule us, bringing it into the light with God and a trusted mature believer can be a merciful step. Communities also serve one another by honoring leaders who show humility, integrity, and genuine care rather than charisma without fruit.
Reflection & Prayer
Where are we tempted to speak with certainty beyond our understanding, or to let an appetite make decisions for us? Ask God to reveal one area needing humble attention and a practical boundary. Pray: "God our Saviour, give us reverent minds, clean speech, and desires shaped by your love and truth."