κρυφῇ

in secret, secretly

Definition

κρυφῇ is an adverb meaning 'in secret' or 'secretly,' describing actions done in a concealed or hidden manner, away from public view. In its sole New Testament occurrence in Ephesians 5:12, it specifically characterizes the 'unfruitful works of darkness' as things which are shameful even to speak of because they are done in secret. This implies not just privacy, but a deliberate concealment due to the morally reprehensible nature of the acts. The word carries a strong connotation of shame and moral darkness associated with what is hidden.

Biblical Usage

This word is used only once in the New Testament, in Ephesians 5:12. Here, the Apostle Paul employs it in a moral and spiritual context, contrasting the secret, shameful deeds of sin with the open, exposing light of Christ. The usage is entirely negative, linking secrecy with the 'unfruitful works of darkness.' There is no pattern of neutral or positive usage in the biblical text.

Etymology

Derived from the adjective κρυπτός (kryptos, G2927), meaning 'hidden' or 'secret.' It is related to the verb κρύπτω (kryptō, G2928), 'to hide.' The adverbial form κρυφῇ specifically denotes the manner of an action—'in a hidden way.' This root family gives us the English word 'cryptic.'

Semantic Range

This word is theologically significant as it highlights the nature of sin and the transformative power of God's truth. In Ephesians 5:11-14, Paul argues that Christian living involves exposing the 'unfruitful works of darkness,' which are done κρυφῇ. Understanding this Greek term enriches the reading by emphasizing that sin thrives in concealment but cannot withstand the light of Christ. This connects to key doctrines of repentance, sanctification, and the believer's call to live in transparent truth, as all that is done in secret will ultimately be brought to light (Luke 8:17).

In the Greco-Roman world, certain religious mysteries and rituals were conducted in secret (μυστήρια). However, Paul's use of κρυφῇ is not about sacred secrecy but about the shameful concealment of immoral behavior. The cultural understanding aligns with a common view that dishonorable acts are best hidden, but Christian ethics radically call for bringing such deeds into the light for correction and healing.

κρυπτῶς (kryptōs, G2927) — a near-identical adverb also meaning 'secretly,' used in Matthew 6:4-6 for acts of piety done in secret before God. λάθρᾳ (lathra, G2977) — 'secretly, covertly,' often with a sense of stealth or avoiding detection (e.g., John 11:28).

Word Details

Scripture References