ῥυπόω
to soil, i.e. (intransitively) to become dirty (morally)
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to soil, i.e. (intransitively) to become dirty (morally)
ῥυπόω(rhypóō)
Strong’s Definition
to soil, i.e. (intransitively) to become dirty (morally)
from G4509 (ῥύπος);
“He that is unjust, let him be unjust still: and he which is filthy, let him be filthy still: and he that is righteous, let him be righteous still: and he that is holy, let him be holy still.”
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The Garment That Soils Itself
There is a kind of soiling that happens from without — mud upon a cloak, dust upon the feet, rain upon the head. But the verb rhypóō speaks of a defilement that rises from within, a staining of the soul that proceeds from the heart's own chambers. In all the New Testament, this word appears only twice, and both times it carries the weight of divine judgment. The first occurrence is in the Revelation given to John, where the Spirit speaks with terrible finality: "Let the filthy be filthy still" (Revelation 22:11). Here the verb stands in the present imperative, a command that seals the condition of the soul. The aorist passive form elsewhere in the same passage reveals something deeper — that this filthiness is not merely an action but a state into which one has been delivered. The Greek grammatical construction mirrors the Hebrew concept of tum'ah, that ritual and moral impurity which separates a person from the presence of the Holy One.
The Ancient Stain and Its Source
This verb draws its life from the noun rhýpos, meaning dirt, grime, or that which clings to the skin from labor and travel. In classical Greek, the word described the honest sweat of the worker and the dust of the road. But the apostolic writers, following the pattern of the Seventy who translated the Hebrew Scriptures, transformed this physical image into a spiritual reality. When the Septuagint translators rendered the Hebrew tamei (unclean) into Greek, they chose words that carried the weight of moral defilement. The prophet Zechariah saw Joshua the high priest standing before the angel of the Lord with garments rhypóō — filthy rags that spoke not of physical neglect but of the stain of sin upon the priesthood itself (Zechariah 3:3-4). The rabbis of old observed that such defilement could not be washed away by water alone; only the fire of divine mercy could burn it clean.
The Aorist Passive and the Divine Decree
In the Revelation of John, the verb appears in the aorist passive imperative — a grammatical construction that the early church understood as carrying the weight of eternal decree. The one who has become filthy, who has allowed the stain to settle into the fabric of his being, is commanded to remain in that state. This is not cruelty but consequence. The apostolic tradition teaches that the soul, like a garment, can be so thoroughly saturated with impurity that the very fibers of the spirit accept the stain as their own nature. The apostle Peter, writing to the scattered tribes, warned of those who had washed clean only to return to their wallowing (2 Peter 2:22). The Greek word there is different, but the image is the same: the dog returns to its vomit, the sow to her mire. The passive voice of rhypóō reveals that this condition is not merely chosen but endured — the soul has become subject to its own corruption.
The LXX Bridge: From Physical to Moral Impurity
The Seventy translators faced a profound challenge when rendering the Hebrew Scriptures into Greek. The Hebrew language possesses a rich vocabulary for ritual purity and impurity — tahor and tamei, qadosh and chol — concepts that had no perfect equivalent in the Hellenistic world. When they encountered the prophet Isaiah's vision of a people whose righteousness was as filthy rags (Isaiah 64:6), they chose words that carried the sense of menstrual cloths, the most intimate and defiling of stains. The Greek rhýpos became the bridge between the physical and the moral, between the uncleanness of the body and the corruption of the soul. The rabbis of old understood this connection deeply: the commandments concerning bodily purity were not ends in themselves but signs pointing to the greater reality of the heart's condition before God. The apostle Paul, trained in both worlds, used this understanding when he wrote of putting off the old man with his deeds and putting on the new creation in Messiah.
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The Two Witnesses of This Verb
The verb rhypóō appears only in the writings of the apostle John, and both occurrences stand as bookends to the same divine proclamation. In the Revelation, the voice from the throne declares: "He who is unjust, let him be unjust still; he who is filthy, let him be filthy still; he who is righteous, let him be righteous still; he who is holy, let him be holy still" (Revelation 22:11). The parallel structure reveals the apostolic understanding that character becomes destiny. The early church father Ignatius, writing on his way to martyrdom, spoke of this truth when he urged the believers in Ephesus to press forward in righteousness, for the soul that ceases to grow begins to decay. The verb stands in the present tense for the one who continues in filth, but the aorist for the one who has become filthy — a grammatical distinction that reveals the difference between habit and condition. You must understand that the stain you tolerate today becomes the garment you wear forever.
The Messianic Garment Exchange
Here is the mystery that transforms the terror of this word into the hope of redemption. When Joshua the high priest stood before the angel with garments defiled by rhýpos, the command came forth: "Take away the filthy garments from him" (Zechariah 3:4). The removal was not accomplished by Joshua's own effort, nor by any washing of his own hands. The angel spoke, and the stain departed. This is the pattern of Messiah's work. Yeshua, when He walked among you, touched the leper and the leprosy fled — not because the leper had cleansed himself, but because the touch of the Holy One imparts holiness. The apostolic faith teaches that in the death of the Messiah, the garment of your sin was removed and the robe of His righteousness was given in its place. The Greek fathers of the church spoke of this as the metánoia — the turning of the mind that allows the exchange to take place. You cannot wash yourself clean; you can only receive the cleansing He offers.
The Apostolic Understanding of the Stain
The apostle John, who alone among the New Testament writers uses this verb, also gives you the clearest teaching on how the stain is removed. In his first letter, he writes that the blood of Yeshua His Son cleanses you from all sin (1 John 1:7). The Greek verb there is katharízō, the same word used in the Septuagint for the ritual cleansing of the leper and the purification of the sanctuary. But John adds a condition that the rabbis of old would have recognized: you must walk in the light as He is in the light. The stain of rhýpos is not removed by mere profession but by walking in the presence of the One who is light itself. The early church understood this as the life of the community, where confession and forgiveness were practiced in the assembly of the faithful. Clement of Rome, writing to the Corinthians, urged them to put away all rhýpos — all filthiness of the flesh and spirit — and to pursue holiness without which no one shall see the Lord.
Your Call to the Washing
You have been given this word as a mirror. Look into it and see what clings to the garment of your soul — not the dust of the road, which the Master said is easily shaken off, but the stain that has soaked into the fabric of your heart. The aorist passive of this verb warns you that a condition can become fixed, that the soul can accept its own defilement as natural. But the same Spirit who spoke through John also speaks through the prophet: "Wash yourselves, make yourselves clean; remove the evil of your doings from before My eyes" (Isaiah 1:16). This washing is not your own doing; it is the response to the One who has already washed you. The rabbis of old taught that the waters of the mikveh must be living water, drawn from a source that never ceases to flow. Your Messiah is that living water. Come to Him today, not with the pretense of cleanliness, but with the honest confession of the stain. For He who began the good work in you will complete it, and the garment you wear on that final day will be white as light itself.