Summary
Quick facts
- Strong’s Number
- G949
- Original Word
- βέβαιος
- Transliteration
- bébaios
- Pronunciation
- beb'-ah-yos
- Part of Speech
- adjective
- Category
- Important Words
- Root / Etymology
- from the base of G939 (βάσις) (through the idea of basality);
- Frequency
- 9×
- Gematria
- 290
Where it appears
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Definition
Strong 1890 stable (literally or figuratively)
firmof forcestedfastsure
from the base of G939 (βάσις) (through the idea of basality);

Commentary
Contributors: · · · ·
The Stone That Cannot Be Shaken
Nine times the apostolic voice speaks this word into the assembly of the faithful, and each utterance carries the weight of an anchor dropped into unseen depths. The Greek word bébaios arises from the root that speaks of a foundation, a base upon which all else rests. When the early believers heard this word, they did not hear a mere philosophical abstraction — they heard the groan of a world longing for something that would not dissolve like morning mist. The sages of Israel had long taught that the world itself rests upon pillars, but what holds the pillars? The answer, whispered through the prophets and shouted from the cross, is that only the Word made flesh can be called truly bébaios.
From Footing to Faithfulness
The etymology of bébaios carries us back to the image of a foot planted firmly upon the earth. In the classical Greek world, the word described a soldier standing his ground, a merchant whose word was his bond, a foundation that would not shift with the seasons. But when the translators of the Septuagint chose this word to render the Hebrew aman — that deep root meaning to be faithful, to be certain, to be carried by another — they transformed it forever. In the Greek version of Isaiah, the prophet declares that the covenant of peace with Israel shall be bébaios, and suddenly the word is no longer about human steadfastness alone. It becomes the very character of the One who cannot lie. The rabbis of old observed that when Moses struck the rock at Horeb, the water that gushed forth did not cease until the people entered the promised land — a sign that the provision of the Most High endures beyond human expectation.
The Weight of the Word in Hebrews
No New Testament writer employs bébaios with greater precision than the author of the letter to the Hebrews. Here the word becomes a theological hammer and a shepherd's crook. In Hebrews 2:2, the apostle writes that the word spoken through angels was bébaios — steadfast, unshakable, carrying the full force of divine authority. And if the word delivered through messengers carried such weight, how much more the word spoken by the Son Himself? The contrast is not between a weak word and a strong word, but between a shadow and the substance. The early church understood that the law given at Sinai was not false — it was true, but it was a truth pointing beyond itself. The bébaios word of angels prepared the way for the even more bébaios word of the Messiah.
An Anchor Within the Veil
In Hebrews 6:19, the apostolic writer reaches for an image that would have seized every Jewish heart: the hope set before us is an anchor of the soul, both bébaios and sure, entering that which is within the veil. The anchor was a symbol of stability in the ancient world, but this anchor does not descend into the sea — it ascends into the holy of holies. The rabbis taught that the high priest alone could enter behind the veil, and only once each year. But the hope that is bébaios has already entered that sacred space through the blood of a greater High Priest. Every other anchor drags with the tides of circumstance. This anchor holds because it is fastened to the throne of God Himself. The apostolic tradition teaches that this certainty is not a feeling but a fact, not an emotion but a covenant sealed in blood.
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The Promise That Cannot Be Broken
The Septuagint uses bébaios to translate the Hebrew qum — to rise, to stand, to establish — in passages where God promises to raise up a righteous branch from David's line. The word carries the sense of a decree that has been ratified, a covenant that has been sealed with an oath. In the Psalms, the house of David is described as bébaios before the Lord forever. The early believers saw in this a prophecy of the resurrection: Yeshua was raised from the dead, and in that raising, the promise to David was made bébaios — not merely continued, but fulfilled and established beyond all possibility of reversal. The fathers of the faith observed that no Roman seal, no stone rolled across the tomb, could make that promise void. The resurrection is the divine signature upon every word the Father has spoken.
Yeshua the Foundation
The New Testament writers do not merely say that Yeshua teaches about what is bébaios — they declare that He Himself is the foundation upon which all certainty rests. In the Gospel of John, the Word that was with God and was God became flesh, and in that becoming, He became the ground beneath every foot that seeks to stand. The apostle Paul writes that no one can lay any other foundation than that which is laid, which is Yeshua the Messiah. Every other ground shifts with the tremors of sin and death. But this foundation has been tested by the weight of the cross and has not cracked. The early church understood that when Peter confessed Yeshua as the Son of the living God, he was standing upon a rock that the gates of Hades would not overcome. That confession is the bébaios word that holds the assembly together.
The Surety of a Better Covenant
Hebrews 7:22 declares that Yeshua has become the guarantee — the bébaios — of a better covenant. This word for guarantee carries the force of a legal surety, one who puts his own life and honor behind the terms of an agreement. In the ancient world, a surety was someone who would stand in the debtor's place if the debt could not be paid. Yeshua does not merely promise that the new covenant is reliable; He becomes its reliability. The covenant at Sinai was mediated through angels and written on stone. The covenant in His blood is mediated through the Son and written on hearts. The rabbis of old taught that the Torah would never pass away, and they were right — but the Torah itself pointed to the One who would fulfill its every demand. The better covenant is not a different covenant; it is the same covenant made bébaios by the blood of the Lamb.
Walking on Unshifting Ground
You have been given a word that will not fail. The world around you trembles with the uncertainty of shifting empires, crumbling economies, and hearts that break like pottery. But the bébaios word of the Messiah remains. When you rise in the morning and the weight of your failures presses against your chest, remember that the foundation beneath you has not moved. When the voices of accusation whisper that your hope is foolish, remember that an anchor holds beyond the veil. The sages of Israel taught that the righteous live by faith — not by sight, not by feeling, but by the steadfastness of the One who promised. You are not called to be your own foundation. You are called to stand upon the Stone that the builders rejected, the Stone that has become the chief cornerstone. Stand firm. The ground beneath you is bébaios.