βόρβορος
mud, mire, filth
Definition
βόρβορος refers to mud, mire, or thick, slimy filth. In the New Testament, it specifically denotes the filthy mire that a pig might wallow in, representing deep moral and spiritual corruption. The word is used metaphorically in 2 Peter 2:22 to describe the repulsive state of apostasy—a return to sinful ways after knowing the truth. It conveys not just dirt, but a clinging, defiling substance from which escape is difficult.
Biblical Usage
This word is used only once in the New Testament, in 2 Peter 2:22. It appears in a vivid proverb comparing a person who returns to their former sinful life after professing faith to a dog returning to its vomit or a washed pig returning to wallow in the mire (βόρβορος). The usage is entirely metaphorical, emphasizing the folly and defilement of apostasy.
Etymology
The word βόρβορος is an onomatopoeic Greek word, imitating the sound or feel of something thick and muddy. It is a primary word in Greek for mud or mire, not derived from another root. Cognates or related ideas appear in other ancient Greek texts to describe swampy, filthy conditions.
Semantic Range
This word is theologically significant as it provides a powerful metaphor for the nature of sin and apostasy. It teaches that turning back to a life of sin after experiencing God's cleansing (symbolized by the 'washed' pig) is a deliberate return to spiritual filth and degradation. Understanding this Greek term enriches the reading of 2 Peter 2 by highlighting the deliberate, repulsive, and self-defiling choice involved in rejecting the truth one has known.
In the ancient agricultural setting, pigs were considered unclean animals by Jewish law (Leviticus 11:7). Their association with mire and filth was proverbial. A pig wallowing in mud (βόρβορος) was a common, vivid image of an animal fully in its element of dirtiness. This cultural understanding makes Peter's metaphor immediately shocking and clear to his original audience.
πηλός (pēlos, G4081) — common clay or mud, often used neutrally or even positively (e.g., clay in a potter's hand, mud for healing in John 9:6). βόρβορος is far more negative, implying filthy, repulsive mire.
Word Details
How this works
Definitions are from the Dodson Greek-English Lexicon, a concise public-domain resource suitable for introductory word study. Brief glosses are supplemented by STEPBible TBESG data (CC BY 4.0). For advanced research, standard scholarly references include BDAG (Danker, 3rd ed.) and LSJ.
Full methodology & sources →