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ὅρκος (horkos)

horkos

oath

G3727 · Greek · New Testament · 10 verses

Quick Reference

Language
Koine Greek
Testament
New Testament
Occurrences
10 verses
Root
—

Word Overview

The Greek noun horkos refers to a solemn pledge or oath, specifically that which has been bound by such a promise. In the New Testament, it appears in ten verses, with significant usage in Matthew, Hebrews, and Mark. The word captures the gravity of a sworn commitment, often invoking divine witness to ensure its integrity.

Its etymology traces back to herkos, meaning "fence" or "enclosure," suggesting that an oath creates a protective boundary around a promise, separating it from casual speech. This imagery underscores the seriousness attached to swearing by God’s name. In Matthew 5:33, Jesus references this concept when teaching about truthfulness, while in Hebrews 6:16-17, the author explains that humans swear by someone greater than themselves to confirm their words and end all dispute.

Translators typically render horkos as "oath," though the term carries more weight than everyday vows. It reflects a covenantal language rooted in Jewish tradition, where oaths were seen as binding before God. This understanding highlights how Christians view promises made in faith—not merely social contracts but sacred acts with eternal implications.

Based on public-domain lexicons (Strong's, Thayer, Gesenius, Brown-Driver-Briggs and others).

What This Word Means for Your Faith

The word horkos describes a solemn pledge, often invoking God as witness to its truth. In Matthew 5:33, Jesus reminds us that our word should stand on its own, making elaborate oaths unnecessary for honest people. This teaching invites us to live with such integrity that we do not need extra words to prove we are trustworthy.

Yet the Bible also shows God using oaths to confirm His promises. In Hebrews 6:17, God swears an oath to show the heirs of promise the unchangeable nature of His counsel. This reveals a God who meets us in our weakness, using human language to assure us of His faithfulness when we doubt.

For your daily life, this word encourages honesty and trust in God’s commitments. When you keep your promises, you reflect His character. When you rely on His, you find rest in His unbreakable word. Let your speech be simple and true, knowing that God’s promises are secure beyond any human oath.

How it's translated

How this word is rendered word-by-word in the 10 verses where it appears, by frequency.

  • oaths3×
  • oath;2×
  • with an oath1×
  • oath1×
  • by an oath,1×
  • an oath1×
  • [the] oath1×

Forms in the text

The inflected forms of this word as they appear in Scripture, by frequency.

  • ὅρκους3×
  • ὅρκου2×
  • ὅρκῳ,1×
  • ὅρκῳ1×
  • ὅρκος·1×
  • ὅρκον·1×
  • ὅρκον1×

Key Verses

  • Matthew 5:33
    “Again you have heard that it was said to the ancient ones, ‘You shall not make false vows, but shall perform to the Lord your vows,’

    Jesus contrasts casual vows with the call to let your yes be yes, highlighting the seriousness of truthfulness.

  • Hebrews 6:17
    In this way God, being determined to show more abundantly to the heirs of the promise the immutability of his counsel, interposed with an oath,

    God interposes an oath to confirm His promise, showing His desire to reassure believers of His unchangeable counsel.

  • James 5:12
    But above all things, my brothers, don’t swear—not by heaven, or by the earth, or by any other oath; but let your “yes” be “yes”, and your “no”, “no”, so that you don’t fall into hypocrisy.

    The author warns against swearing by heaven or earth, urging believers to avoid hypocrisy through simple honesty.

  • Luke 1:73
    the oath which he swore to Abraham our father,

    Zechariah’s prophecy recalls the oath God swore to Abraham, linking Christian hope to ancient covenantal faithfulness.

Frequently Asked Questions

What does horkos mean in the New Testament?

Horkos means a solemn oath or pledge, often invoking God as a witness. It appears ten times in the New Testament to describe serious commitments made by people or confirmed by God.

Why does Jesus say not to swear in Matthew 5:34?

Jesus teaches that believers should be so truthful that their simple yes or no is sufficient. He warns against using oaths to add weight to speech, as this can lead to hypocrisy and diminish the seriousness of God’s name.

How does Hebrews 6:17 explain God’s use of oaths?

Hebrews explains that God used an oath not because He needed to change, but to show believers the immutability of His counsel. This provides strong encouragement for those who have fled to Him for refuge.

Is there a difference between an oath and a vow?

While often used interchangeably, horkos specifically refers to a sworn statement invoking a witness, usually God. Vows may be promises made to God or others, but oaths carry the specific gravity of a legal or covenantal pledge.

Every Occurrence (10 verses across 6 books)