Exploring the Meaning of Elegcho in Greek

ἐλέγχω expresses the act of rebuking, and in these passages it appears in settings ranging from private interpersonal correction to public confrontation and spiritual exposure. The word regularly functions where wrongdoing is brought into the open and addressed rather than ignored.

Occurrences

“If your brother sins against you, go, show him his fault between you and him alone. If he listens to you, you have gained back your brother.” (Matthew 18:15)

Here ἐλέγχω stands within a deliberate, restrained process: the one sinned against is to go and “show him his fault” in a private setting (“between you and him alone”). The rebuke is aimed at gaining the offender back, so the action is corrective and relational, not merely accusatory.

“but Herod the tetrarch, being reproved by him for Herodias, his brother’s wife, and for all the evil things which Herod had done,” (Luke 3:19)

In this scene, rebuke is directed toward a ruler and explicitly tied to concrete wrongs (“for Herodias… and for all the evil things”). The wording portrays ἐλέγχω as moral confrontation that names and challenges evil conduct, even when the person confronted has power.

“For everyone who does evil hates the light, and doesn’t come to the light, lest his works would be exposed.” (John 3:20)

The idea of rebuke is expressed through the image of “light” exposing “works.” The person who does evil avoids the light specifically because exposure would occur; ἐλέγχω here describes the effect of disclosure—wrongdoing brought to visibility and therefore subject to censure.

“They, when they heard it, being convicted by their conscience, went out one by one, beginning from the oldest, even to the last. Jesus was left alone with the woman where she was, in the middle.” (John 8:9)

Rebuke takes an inward turn: the hearers are “convicted by their conscience,” and the result is withdrawal (“went out one by one”). ἐλέγχω depicts a rebuke that operates internally—conscience functioning like a judge that presses a person to recognize guilt.

“Which of you convicts me of sin? If I tell the truth, why do you not believe me?” (John 8:46)

Here ἐλέγχω is cast as a challenge for anyone to establish wrongdoing: “convicts me of sin?” The word marks an attempted rebuke or charge that would demonstrate fault; the rhetorical force is that no such valid rebuke can be produced against him, and the question turns to the response demanded by “the truth.”

“When he has come, he will convict the world about sin, about righteousness, and about judgment;” (John 16:8)

In this promise, ἐλέγχω describes a comprehensive rebuke directed toward “the world,” applied to broad moral and judicial categories (“sin… righteousness… judgment”). The scope suggests not a minor correction but a penetrating confrontation that brings the world under scrutiny.

“But if all prophesy, and someone unbelieving or unlearned comes in, he is reproved by all, and he is judged by all.” (1 Corinthians 14:24)

Rebuke here is a community effect: the outsider entering a gathering where “all prophesy” is “reproved by all.” The parallel line, “and he is judged by all,” places ἐλέγχω alongside an evaluating, discerning action. The rebuke is not described as a single person’s private correction but as a shared impact produced by what is spoken in the assembly.

“Have no fellowship with the unfruitful deeds of darkness, but rather even reprove them.” (Ephesians 5:11)

ἐλέγχω is presented as an alternative to participation: instead of “fellowship” with “unfruitful deeds of darkness,” believers are to rebuke those deeds. Rebuke functions as moral opposition—an active stance that refuses complicity and addresses darkness as darkness.

“But all things, when they are reproved, are revealed by the light, for everything that reveals is light.” (Ephesians 5:13)

This verse connects rebuke with revelation: what is “reproved” is “revealed by the light.” ἐλέγχω therefore includes an exposing dimension—rebuke makes hidden things manifest. The emphasis lies on the transformation from concealment to visibility under light.

“Those who sin, reprove in the sight of all, that the rest also may be in fear.” (1 Timothy 5:20)

Here rebuke is explicitly public: “in the sight of all.” The stated purpose is communal moral effect—“that the rest also may be in fear.” ἐλέγχω serves as a deterrent and a warning, shaping the community’s seriousness about sin by confronting it openly.

“preach the word; be urgent in season and out of season; reprove, rebuke, and exhort with all patience and teaching.” (2 Timothy 4:2)

In this charge, ἐλέγχω is one component of a minister’s ongoing work alongside “rebuke” and “exhort.” The manner matters: it is to be carried out “with all patience and teaching,” portraying rebuke not as impulsive scolding but as an element of instruction that persists “in season and out of season.”

“holding to the faithful word which is according to the teaching, that he may be able to exhort in the sound doctrine, and to convict those who contradict him.” (Titus 1:9)

Rebuke is tied to doctrine and contradiction. The one who “hold[s] to the faithful word” is thereby equipped not only to “exhort” but also “to convict those who contradict him.” ἐλέγχω functions as a way of addressing opposition: contradiction is met with a rebuking conviction grounded in “the teaching” and “sound doctrine.”

Sense and Usage

Across these texts, ἐλέγχω consistently operates where wrongdoing, error, or contradiction is confronted rather than overlooked. In Matthew 18:15 the act is personal and carefully bounded: it takes place privately and aims at restoring a “brother.” Luke 3:19 shows the same action directed upward toward authority, naming specific evils and thereby placing even a ruler under moral scrutiny. John 8:46 frames the word in terms of proving guilt—rebuke is not mere suspicion but an accusation that must stand up to challenge.

Several passages emphasize that rebuke works by exposure. John 3:20 describes evil avoiding light because exposure threatens; Ephesians 5:13 describes reproof producing revelation “by the light.” In these scenes, rebuke is not only a spoken reprimand but a bringing-to-light that makes deeds visible and therefore accountable. This exposure can take place inwardly as well: John 8:9 depicts rebuke landing on conscience so that people remove themselves, one by one, under the weight of internal conviction.

Other passages highlight rebuke as a communal and instructional practice. In 1 Corinthians 14:24, the gathered community’s prophetic speech results in the outsider being reproved and judged; the rebuke is experienced as the collective force of truth spoken in the assembly. The Pastoral Epistles connect rebuke to ordered leadership: 1 Timothy 5:20 describes a public reproof meant to shape the community’s fear, while 2 Timothy 4:2 places rebuke within persistent preaching marked by patience and teaching. Titus 1:9 explicitly anchors the ability to rebuke in adherence to “the faithful word” and “sound doctrine,” showing rebuke as a disciplined exercise of instruction against contradiction.

These uses together portray ἐλέγχω as an action that confronts wrong and brings it into the open, sometimes privately for restoration, sometimes publicly for warning, sometimes inwardly through conscience, and sometimes through doctrinal refutation. The contexts consistently assume that rebuke is not an end in itself: it aims at relational recovery (Matthew 18:15), moral accountability (Luke 3:19), truthful credibility (John 8:46), and communal formation through teaching and doctrine (2 Timothy 4:2; Titus 1:9).

Imagery

In John 3:20 and Ephesians 5:13, ἐλέγχω is carried by the stark image of light exposing what darkness conceals: evil “hates the light,” but when things are reproved they are “revealed by the light.” This imagery frames rebuke as illumination—an uncovering that forces deeds into plain view and compels a response, whether retreat (John 8:9) or accountability “in the sight of all” (1 Timothy 5:20).

Sources: Lexical data from Strong’s Exhaustive Concordance and the Translators Brief Lexicon of Extended Strongs for Greek (STEPBible, CC BY). Occurrence data from the Translators Amalgamated Greek New Testament (STEPBible, CC BY). Scripture quotations from the World English Bible (public domain).