καταφθείρω
I destroy, corrupt
Definition
The verb καταφθείρω means to destroy, corrupt, or ruin completely. It carries the sense of causing moral or spiritual decay, often through deceptive or corrupting influence. In 2 Timothy 3:8, it describes those who 'corrupt' or 'ruin' the minds of others, opposing the truth. In 2 Peter 2:12, it refers to irrational creatures who are 'destroyed' or 'ruined' in their corruption, emphasizing their inevitable fate. The prefix κατά intensifies the action, implying a thorough or decisive destruction.
Biblical Usage
This word appears only twice in the New Testament, both in contexts warning against false teachers and moral decay. In 2 Timothy 3:8, it describes opponents who 'corrupt' people's minds against the truth. In 2 Peter 2:12, it depicts false teachers as irrational animals destined to be 'destroyed' in their corruption. Both uses highlight the destructive impact of opposing God's truth, linking moral corruption to eventual ruin.
Etymology
Derived from κατά (kata), meaning 'down' or 'against,' and φθείρω (phtheirō), meaning 'to destroy' or 'to corrupt.' The compound intensifies the root verb, conveying complete destruction or corruption. Cognates include φθορά (phthora, G5356), meaning 'corruption' or 'decay,' and διάφθορος (diaphthoros, G1311), meaning 'corrupt.' The root implies ruin, whether physical, moral, or spiritual.
Semantic Range
This word underscores the serious consequences of opposing divine truth. It highlights how false teaching doesn't just mislead but actively 'corrupts' minds (2 Timothy 3:8), leading to spiritual ruin. In 2 Peter 2:12, it connects moral corruption with inevitable destruction, reinforcing the biblical theme that rebellion against God leads to decay. Understanding this Greek term enriches reading by emphasizing the active, destructive nature of sin and error.
In ancient Greek culture, φθείρω was used for physical decay (e.g., rotting food) and moral corruption. The intensified form καταφθείρω would imply a forceful or total ruin, possibly in legal or philosophical contexts about corrupting others. This aligns with its biblical use, where corrupting minds is seen as a grave offense, akin to spoiling something valuable.
φθείρω (phtheirō, G5351) — a simpler form meaning 'to destroy' or 'corrupt,' without the intensive prefix. ἀπόλλυμι (apollymi, G622) — often 'to destroy' or 'perish,' with a focus on loss or ruin, but not always implying moral corruption. διαφθείρω (diaphtheirō, G1311) — 'to destroy utterly' or 'corrupt completely,' similar in intensity but used in Revelation 11:18 for destroying the earth.
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.
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