καταθεματίζω

I curse, devote to destruction

Definition

Katathematizō is a strong verb meaning 'to curse' or 'to invoke a curse upon oneself.' It denotes a solemn, self-imprecatory oath, where a person calls down a divine curse or destruction upon themselves if they are not telling the truth or fail to fulfill a promise. In its single New Testament occurrence, it expresses an intense, repeated denial under the pressure of accusation. This is distinct from more general terms for cursing, as it specifically involves binding oneself to a negative consequence.

Biblical Usage

This verb is used only once in the New Testament, in Matthew 26:74, describing Peter's denial of Jesus. The text states Peter 'began to invoke a curse on himself and to swear, "I do not know the man."' The usage highlights a moment of extreme emotional distress and a desperate attempt to convince his accusers of his lie by staking his own well-being on its truth.

Etymology

Derived from the preposition κατά (kata), meaning 'down' or 'against,' combined with a verb related to θέμα (thema), meaning 'something set down' or 'a deposit.' The compound thus carries the sense of 'setting down a curse against oneself.' It is a strengthened form related to simpler verbs for swearing or affirming.

Semantic Range

This word is theologically significant as it illuminates the depth of Peter's failure during Jesus' trial. His use of a self-curse starkly contrasts with his earlier bold promises of loyalty (Matthew 26:33-35), dramatically underscoring human weakness and the need for divine grace. Understanding this intense form of oath deepens our appreciation for the gravity of his denial and the profound forgiveness later extended to him by the risen Christ (John 21:15-19).

In the 1st-century Jewish and Greco-Roman world, oaths and self-curses were serious social and religious acts. Invoking a curse upon oneself was a powerful way to add credibility to a statement, as it called upon divine powers to punish the speaker if they lied. Peter's action would have been understood by the original audience as a definitive, desperate attempt to end the accusation, making his subsequent remorse all the more poignant.

ἀναθεματίζω (anathematizō, G332) — to curse or devote to destruction, often used for putting someone or something under a ban. καταθεματίζω intensifies this with a reflexive, self-directed force.

Word Details

Scripture References