Summary
Quick facts
- Strong’s Number
- G3174
- Original Word
- μέγεθος
- Transliteration
- mégethos
- Pronunciation
- meg'-eth-os
- Part of Speech
- noun
- Category
- Unique Words
- Root / Etymology
- from G3173 (μέγας);
- Frequency
- 1×
- Gematria
- 332
Where it appears
Loading distribution…

Commentary
Contributors: · · · ·
The Weight That Cannot Be Measured
There is a word in the Greek tongue that appears but once in all the sacred writings of the New Covenant, and yet its single utterance carries the weight of eternity. The word is mégethos, a noun born from the root megas, meaning great. It appears only one time in the apostolic record, yet in that solitary occurrence, it opens a window into the very nature of Him who fills all things. The translators of old rendered it as "greatness," but the word itself reaches toward something far beyond mere size or dimension. It speaks of a magnitude that cannot be measured by human tools, a vastness that defies the boundaries of space and time.
From Earthly Measure to Heavenly Reality
In classical Greek, mégethos carried a straightforward meaning: physical size, bulk, or dimension. Philosophers used it to speak of the magnitude of the stars, the expanse of the sea, the height of mountains. But when the Spirit moved the apostle Paul to take up this word, he pressed it into a service far greater than describing creation. In Ephesians 1:19, Paul prays that believers might know "the surpassing greatness of His power toward us who believe." Here, mégethos is no longer about measurable space but about the immeasurable energy of the living God. The rabbis of old taught that the Holy One fills the heavens and the earth, yet Paul dares to say that this same magnitude of power is directed toward those who trust in Messiah. The Greek word has been transformed; it has ascended from describing the cosmos to describing the Creator's personal intervention in the lives of His children.
The Septuagint Bridge: When Greek Meets Hebrew
When the translators of the Septuagint sought to render the Hebrew Scriptures into Greek, they faced a profound challenge. The Hebrew word gadol carried meanings of greatness, majesty, and might that no single Greek word could fully contain. In the Psalms, when David cries out that God's "greatness" is unsearchable (Psalm 145:3), the Septuagint uses a different construction, but the concept of mégethos hovers in the background. The ancient Hebrew mind understood greatness not as a static quality but as a dynamic reality—the Lord's greatness is revealed in His acts of deliverance, His judgments, and His mercy. When Paul writes of the "surpassing greatness" of God's power, he is drawing on this Hebrew understanding. The Greek word becomes a vessel for the Hebrew concept of gadol, which carries within it the thunder of Sinai, the parting of the sea, and the whisper of the still small voice. The magnitude of God is not a doctrine to be studied but a power to be experienced.
The Apostolic Hand That Wrote It
It is no accident that the sole occurrence of mégethos in the New Testament comes from the pen of the apostle Paul. Among all the apostolic writers, Paul alone had the training to understand both the Greek philosophical tradition and the Hebrew prophetic inheritance. He knew that the Greeks sought after wisdom and the Jews sought after signs, but he proclaimed Christ as both the power and the wisdom of God. In Ephesians, Paul is building an argument that crescendos into doxology. He speaks of the Father of glory, the Spirit of wisdom, and the hope of calling. Then, in verse 19, he unleashes this single word: mégethos. The early church understood that Paul was not merely describing God's power but inviting believers into a participatory knowledge of it. The apostolic tradition teaches that this greatness is not distant—it is the very energy that raised Messiah from the dead and seated Him at the right hand of the Majesty on high.
Quiz Yourself on Anything
As a monthly patron you can generate custom quizzes and crosswords on anything you like — for example, a Scholar-level quiz on Psalm 23 in seconds.
The Power That Raised the Dead
Paul does not leave mégethos as an abstract concept. He immediately connects it to the resurrection. The same greatness of power that worked in Christ when God raised Him from the dead is the power at work in those who believe. This is the theological heart of the passage. The magnitude of God is not a philosophical category to be debated in the marketplace of Athens; it is the living force that conquered death itself. The fathers of the faith observed that Paul deliberately chose this rare word to emphasize that no other power in the universe compares to resurrection power. The Greek philosophers had spoken of the mégethos of the soul or the mégethos of virtue, but Paul speaks of the mégethos of the One who calls light out of darkness and life out of death. This is a magnitude that transforms not only the cosmos but the individual soul.
The Messianic Fulcrum: Yeshua and the Fullness of Greatness
In the life and work of Yeshua the Messiah, the concept of mégethos finds its perfect embodiment. When the disciples witnessed Him calm the storm with a word, they asked one another, "What manner of man is this?" They were encountering a magnitude that did not fit their categories. When He multiplied bread for thousands, when He called Lazarus from the tomb, when He Himself rose from the dead—each act was a revelation of a greatness that surpassed all prior understanding. The New Testament writers do not use mégethos directly of Christ, but they describe His person in terms that demand it. In Colossians 1:19, Paul writes that all the fullness was pleased to dwell in Him. In Hebrews 1:3, the Son is described as the radiance of God's glory and the exact representation of His nature. The mégethos of God is not distributed in fragments throughout the universe; it is concentrated, embodied, and made accessible in the person of Yeshua. To know Him is to know the magnitude of the Eternal One.
When the Word Becomes Prayer
The single occurrence of mégethos in Scripture appears within a prayer. Paul is not teaching doctrine in the abstract; he is interceding for the saints at Ephesus. He prays that the eyes of their hearts might be enlightened to know this greatness. This is the deepest mystery of the word: the magnitude of God cannot be grasped by the intellect alone; it must be known by the inner man, by the spirit that has been awakened by the Spirit. The early church understood that the knowledge Paul speaks of is not informational but experiential. It is the knowledge that comes when the soul is stretched beyond its natural capacity to receive the infinite. The word mégethos stands as a testimony that God's power is not a resource to be analyzed but a reality to be received in the depths of our being.
A Charge for Your Journey
You have been given a word that appears only once, like a single pearl of great price hidden in the field of Scripture. Do not let its rarity cause you to overlook its weight. The Spirit who inspired Paul to write this word is the same Spirit who dwells within you. The same greatness of power that raised Messiah from the dead is at work in your life, even now, in ways you cannot measure and may not yet perceive. Let this word become a prayer on your lips: that the eyes of your heart would be enlightened to know the surpassing greatness of His power toward you. For the magnitude of God is not a distant reality—it is the very air you breathe, the strength you lack, and the hope that will not fail. Walk in the knowledge that the One who fills all things has made His home in you, and His greatness is your portion forever.