καθαρός
clean
Full lexicon entry — Thayer's Greek Lexicon
From Thayer's Greek Lexicon
Where this word appears
See every Nominative-case word in the Greek New Testament →
Grammar key — what these labels mean
Part of speech
- Adjective
- A word that describes or qualifies a noun.
Case
- Nominative
- The case of the subject (and the predicate nominative).
- Accusative
- The case of the direct object and of extent.
- Dative
- The case of the indirect object, means, or location — “to / for / with / in.”
- Genitive
- The case of source, possession, or “of” — answers “whose / from what.”
Gender
- Masculine
- Grammatically masculine.
- Neuter
- Grammatically neuter.
- Feminine
- Grammatically feminine.
Number
- Plural
- More than one.
- Singular
- One.
12 distinct verses where G2513 appears in the Nominative case, across 8 books. Filtered view — show all forms. Click any verse to open its interlinear word-by-word view. Verse text shown in the World English Bible for context — . Each verse’s Greek form is shown with its reference; the English is not keyword-highlighted, since the data carries no word-level English alignment. Use “Compare translations” on any verse to read it across multiple English versions. This concordance covers the Greek New Testament; Septuagint (Greek Old Testament) occurrences of this word are not indexed here.
Matthew 1 verse
Luke 1 verse
John 3 verses
- John 13:10 καθαρὸς καθαροί adj nom sg masc adj nom pl masc Jesus said to him, "Someone who has bathed only needs to have his feet washed, but is completely clean. You are clean, but not all of you."
- John 13:11 καθαροί adj nom pl masc For he knew him who would betray him, therefore he said, "You are not all clean."
- John 15:3 καθαροί adj nom pl masc You are already pruned clean because of the word which I have spoken to you.
Acts 2 verses
- Acts 18:6 καθαρὸς adj nom sg masc When they opposed him and blasphemed, he shook out his clothing and said to them, "Your blood be on your own heads! I am clean. From now on, I will go to the Gentiles!"
- Acts 20:26 καθαρός adj nom sg masc Therefore I testify to you this day that I am clean from the blood of all men,
Romans 1 verse
Titus 1 verse
James 1 verse
Revelation 2 verses
- Revelation 21:18 καθαρὸν καθαρῷ adj nom sg neut adj dat sg masc The construction of its wall was jasper. The city was pure gold, like pure glass.
- Revelation 21:21 καθαρὸν adj nom sg neut The twelve gates were twelve pearls. Each one of the gates was made of one pearl. The street of the city was pure gold, like transparent glass.
About this entry
At a glance — auto-summarized from this page’s data, not written by a person. Every figure links to its source below. This summary describes the numbers; it doesn’t interpret them.
The Greek adjective καθαρος centers on the idea of “clean.” First canonically at Matthew 5:8, it enters the text early. The Greek New Testament uses it across 22 verses — uncommon. It clusters with καθαιρω, καθαριζω and καθαροτης under a shared root. For the data behind this summary, explore the sense tree and the renderings breakdown below.
Gloss history
Strong's 1890 vs modern scholarship
About this word
Strong's G2513 catalogs a Greek word from the Greek New Testament.
These counts are not copied from any lexicon or concordance. They are computed here, from the morphology-tagged Greek New Testament. What Lemma adds →
- 22
- distinct verses
- The word appears in 22 distinct verses.
- 11 / 27
- NT books
- The word appears in 11 of 27 New Testament books.
- #513
- by frequency
- Top 1000 most frequent Greek words (rank 513 of 5,347 Greek words by occurrence).
View all 22 occurrences in the concordance →
Most concentrated in
- Revelation 5 verses 23%
- Matthew 3 verses 14%
- John 3 verses 14%
By section of the New Testament
By traditional corpus
Conventional, traditional groupings — biblical authorship is debated, so this is a traditional corpus grouping, not an authorship claim. Some books belong to more than one corpus (Luke is in both the Gospels and the Lukan corpus, and so on), so these shares overlap and need not total 100%. Each figure is a share of the word’s 22 distinct verses.
- Johannine 8 verses · 36%
- Gospels 7 verses · 32%
- Pauline corpus 6 verses · 27%
- Revelation 5 verses · 23%
- Lukan (Luke–Acts) 3 verses · 14%
- Hebrews 1 verse · 5%
- General (Catholic) Epistles 1 verse · 5%
How translations render this word
Counts come from each version’s own published word-to-Strong’s tagging or interlinear alignment — an approximate guide to how each version renders this word, not a word-level alignment the data otherwise carries. Because each total is that version’s own tagged count, the per-version totals vary from one another and need not match the appearance or distinct-verse counts above. These counts may also differ from a printed concordance because Lemma counts each distinctly tagged rendering and does not collapse phrase taggings into a single head-word total. This is a fixed set of word-tagged versions (KJV, ASV, BSB, ULT) and does not change with the reading translation you choose elsewhere. Each version’s license is shown beside its name below (and on Sources).
- King James Version: Pure 11×, Clean 9×, Was pure 2×
- American Standard Version: Pure 12×, Clean 7×
- Berean Standard Bible: Pure 13×, Clean 8×, Clear 2×
- unfoldingWord Literal Text: Clean 12×, Pure 12×
King James Version Public Domain
Renders G2513 across 27 tagged occurrences — most commonly:
Plus 5 renderings that appear only once — usually multi-word phrases or single function words the recovered tagging swept in, not distinct renderings. Not rendered by a distinct English word in 1 further occurrence.
American Standard Version Public Domain
Renders G2513 across 29 tagged occurrences — most commonly:
Plus 10 renderings that appear only once — usually multi-word phrases or single function words the recovered tagging swept in, not distinct renderings.
Berean Standard Bible Public Domain
Renders G2513 across 27 tagged occurrences — most commonly:
Plus 2 renderings that appear only once — usually multi-word phrases or single function words the recovered tagging swept in, not distinct renderings.
unfoldingWord Literal Text CC BY-SA 4.0
Renders G2513 across 28 tagged occurrences — most commonly:
Plus 4 renderings that appear only once — usually multi-word phrases or single function words the recovered tagging swept in, not distinct renderings.
Senses in Thayer's
The 1 sense Thayer's distinguishes for this word, in lexicon order (not ranked by frequency or importance). The full entry — with sub-senses — is in the Lexicon Entry tab.
- clean, pure
Word origin
Origin: of uncertain affinity
Of uncertain affinity; clean (literally or figuratively): - clean clear pure.
— Strong’s Exhaustive Concordance (1890), public domain.
Forms in the corpus
The 12 distinct written forms G2513 takes in the Greek New Testament, most frequent first — each parse links to that case’s occurrences in the concordance.
| Form | Parsing | Example | Uses |
|---|---|---|---|
| καθαρόν katharón | Adjective, Accusative, Singular, Neuter | Matthew 23:26 | 4 |
| καθαρὰ katharà | Adjective, Nominative, Plural, Neuter | Luke 11:41 | 3 |
| καθαρὸν katharòn | Adjective, Nominative, Singular, Neuter | Revelation 21:18 | 3 |
| καθαροί katharoí | Adjective, Nominative, Plural, Masculine | John 13:10 | 3 |
| καθαρᾷ katharâ | Adjective, Dative, Singular, Feminine | Matthew 27:59 | 3 |
| καθαρῷ katharō̂ | Adjective, Dative, Singular, Masculine | Revelation 21:18 | 2 |
| καθαρὸς katharòs | Adjective, Nominative, Singular, Masculine | John 13:10 | 2 |
| καθαρᾶς katharâs | Adjective, Genitive, Singular, Feminine | 1 Timothy 1:5 | 2 |
| καθαρά kathará | Adjective, Nominative, Plural, Neuter | Romans 14:20 | 1 |
| καθαροὶ katharoì | Adjective, Nominative, Plural, Masculine | Matthew 5:8 | 1 |
| καθαροῖς katharoîs | Adjective, Dative, Plural, Masculine | Titus 1:15 | 1 |
| καθαρός katharós | Adjective, Nominative, Singular, Masculine | Acts 20:26 | 1 |
Same root — word family
Other Thayer's entries built from the same root as G2513, grouped by Strong’s listed origin. These share a root / origin per the lexicon — not necessarily a shared meaning. Each links to that word’s own entry.
Derived from this word
- καθαιρω kathaírō G2508 to cleanse
- καθαριζω katharízō G2511 to make clean
- καθαροτης katharótēs G2514 purity
Compare all same-root words → They share a root, not necessarily a meaning.
Septuagint usage
The same Greek word καθαρος appears 145 times in the Greek Old Testament (Septuagint), across 135 verses in 19 books.
- 145
- LXX occurrences
- Tagged occurrences of this Greek word in the Septuagint.
- 135
- verses
- Distinct Septuagint verses containing this word.
- 19 / 39
- OT books
- The word appears in 19 of the 39 Old Testament books.
Sample Septuagint occurrences
- Genesis 7:2 καθαρός
- Exodus 25:11 καθαρός
- Leviticus 4:12 καθαρός
- Numbers 5:17 καθαρός
- Deuteronomy 12:15 καθαρός
- 1 Samuel 20:26 καθαρός
- 2 Chronicles 3:4 καθαρός
- Ezra 2:69 καθαρός
- Job 4:7 καθαρός
- Psalms 23:4 καθαρός
- Proverbs 8:10 καθαρός
- Ecclesiastes 9:2 καθαρός
Septuagint occurrences (same lexeme)
Every verse where the same Strong’s number (G2513) appears in the Greek Septuagint — showing the first 50 of 135. Verse text shown in the World English Bible for context; the Greek form is the matched word — the English is not keyword-highlighted.
- Genesis 7:2 καθαρός You shall take seven pairs of every clean animal with you, the male and his female. Of the animals that are not clean, take two, the male and his female.
- Genesis 7:3 καθαρός Also of the birds of the sky, seven and seven, male and female, to keep seed alive on the surface of all the earth.
- Genesis 7:8 καθαρός Clean animals, animals that are not clean, birds, and everything that creeps on the ground
- Genesis 8:20 καθαρός Noah built an altar to Yahweh, and took of every clean animal, and of every clean bird, and offered burnt offerings on the altar.
- Genesis 20:5 καθαρός Didn't he tell me, 'She is my sister?' She, even she herself said, 'He is my brother.' In the integrity of my heart and the innocence of my hands have I done this."
- Genesis 20:6 καθαρός God said to him in the dream, "Yes, I know that in the integrity of your heart you have done this, and I also withheld you from sinning against me. Therefore I didn't allow you to touch her.
- Genesis 24:8 καθαρός If the woman isn't willing to follow you, then you shall be clear from this my oath. Only you shall not bring my son there again."
- Genesis 44:10 καθαρός He said, "Now also let it be according to your words: he with whom it is found will be my bondservant; and you will be blameless."
- Exodus 25:11 καθαρός You shall overlay it with pure gold. Inside and outside shall you overlay it, and shall make a gold molding around it.
- Exodus 25:17 καθαρός You shall make a mercy seat of pure gold. Two and a half cubits shall be its length, and a cubit and a half its breadth.
- Exodus 25:23 καθαρός "You shall make a table of acacia wood. Two cubits shall be its length, and a cubit its breadth, and one and a half cubits its height.
- Exodus 25:28 καθαρός You shall make the poles of acacia wood, and overlay them with gold, that the table may be carried with them.
- Exodus 25:29 καθαρός You shall make its dishes, its spoons, its ladles, and its bowls to pour out offerings with. Of pure gold shall you make them.
- Exodus 25:31 καθαρός "You shall make a lampstand of pure gold. Of hammered work shall the lampstand be made, even its base, its shaft, its cups, its buds, and its flowers, shall be of one piece with it.
- Exodus 25:36 καθαρός Their buds and their branches shall be of one piece with it, the whole of it one beaten work of pure gold.
- Exodus 25:38 καθαρός Its snuffers and its snuff dishes shall be of pure gold.
- Exodus 25:39 καθαρός It shall be made of a talent of pure gold, with all these accessories.
- Exodus 27:20 καθαρός "You shall command the children of Israel, that they bring to you pure olive oil beaten for the light, to cause a lamp to burn continually.
- Exodus 28:13 καθαρός You shall make settings of gold,
- Exodus 28:14 καθαρός and two chains of pure gold; you make them like cords shall, of braided work: and you shall put the braided chains on the settings.
- Exodus 28:22 καθαρός You shall make on the breastplate chains like cords, of braided work of pure gold.
- Exodus 28:36 καθαρός "You shall make a plate of pure gold, and engrave on it, like the engravings of a signet, 'HOLY TO YAHWEH.'
- Exodus 30:3 καθαρός You shall overlay it with pure gold, the top of it, the sides of it around it, and its horns; and you shall make a gold molding around it.
- Exodus 30:4 καθαρός You shall make two golden rings for it under its molding; on its two ribs, on its two sides you shall make them; and they shall be for places for poles with which to bear it.
- Exodus 30:35 καθαρός and you shall make incense of it, a perfume after the art of the perfumer, seasoned with salt, pure and holy:
- Exodus 31:8 καθαρός the table and its vessels, the pure lampstand with all its vessels, the altar of incense,
- Exodus 36:22 καθαρός Each board had two tenons, joined one to another. He made all the boards of the tent this way.
- Exodus 36:37 καθαρός He made a screen for the door of the tent, of blue, purple, scarlet, and fine twined linen, the work of an embroiderer;
- Exodus 38:2 καθαρός He made its horns on its four corners. Its horns were of one piece with it, and he overlaid it with brass.
- Exodus 38:9 καθαρός He made the court: for the south side southward the hangings of the court were of fine twined linen, one hundred cubits;
- Exodus 38:25 καθαρός The silver of those who were numbered of the congregation was one hundred talents, and one thousand seven hundred seventy-five shekels, after the shekel of the sanctuary:
- Exodus 39:16 καθαρός They made two settings of gold, and two gold rings, and put the two rings on the two ends of the breastplate.
- Leviticus 4:12 καθαρός even the whole bull shall he carry forth outside the camp to a clean place, where the ashes are poured out, and burn it on wood with fire. Where the ashes are poured out it shall be burned.
- Leviticus 6:4 καθαρός then it shall be, if he has sinned, and is guilty, he shall restore that which he took by robbery, or the thing which he has gotten by oppression, or the deposit which was committed to him, or the lost thing which he found,
- Leviticus 7:19 καθαρός "'The flesh that touches any unclean thing shall not be eaten. It shall be burned with fire. As for the flesh, everyone who is clean may eat it;
- Leviticus 10:10 καθαρός and that you are to make a distinction between the holy and the common, and between the unclean and the clean;
- Leviticus 11:32 καθαρός On whatever any of them falls when they are dead, it shall be unclean; whether it is any vessel of wood, or clothing, or skin, or sack, whatever vessel it is, with which any work is done, it must be put into water, and it shall be unclean until the evening; then it will be clean.
- Leviticus 11:36 καθαρός Nevertheless a spring or a cistern in which water is a gathered shall be clean: but that which touches their carcass shall be unclean.
- Leviticus 11:37 καθαρός If part of their carcass falls on any sowing seed which is to be sown, it is clean.
- Leviticus 11:47 καθαρός to make a distinction between the unclean and the clean, and between the living thing that may be eaten and the living thing that may not be eaten.'"
- Leviticus 13:6 καθαρός The priest shall examine him again on the seventh day; and, behold, if the plague has faded, and the plague hasn't spread in the skin, then the priest shall pronounce him clean. It is a scab. He shall wash his clothes, and be clean.
- Leviticus 13:13 καθαρός then the priest shall examine him; and, behold, if the leprosy has covered all his flesh, he shall pronounce him clean of the plague. It has all turned white: he is clean.
- Leviticus 13:17 καθαρός and the priest shall examine him; and, behold, if the plague has turned white, then the priest shall pronounce him clean of the plague. He is clean.
- Leviticus 13:34 καθαρός On the seventh day, the priest shall examine the itch; and, behold, if the itch hasn't spread in the skin, and its appearance isn't deeper than the skin, then the priest shall pronounce him clean. He shall wash his clothes, and be clean.
- Leviticus 13:37 καθαρός But if in his eyes the itch is arrested, and black hair has grown in it; the itch is healed, he is clean. The priest shall pronounce him clean.
- Leviticus 13:39 καθαρός then the priest shall examine them; and, behold, if the bright spots on the skin of their body are a dull white, it is a harmless rash, it has broken out in the skin; he is clean.
- Leviticus 13:40 καθαρός "If a man's hair has fallen from his head, he is bald. He is clean.
- Leviticus 13:41 καθαρός If his hair has fallen off from the front part of his head, he is forehead bald. He is clean.
- Leviticus 13:58 καθαρός The garment, either the warp, or the woof, or whatever thing of skin it is, which you shall wash, if the plague has departed from them, then it shall be washed the second time, and it will be clean."
- Leviticus 14:4 καθαρός then the priest shall command them to take for him who is to be cleansed two living clean birds, and cedar wood, and scarlet, and hyssop.
These are occurrences of the same Greek lexeme (G2513) in the Septuagint — not a translation of any one Hebrew word. The store carries no word-level Hebrew↔Greek alignment, so no Hebrew original is asserted here. Counts come from the recovered LXX Strong's tagging — high-frequency vocabulary is well covered, while rare or late forms may be untagged — so they reflect tagged occurrences and may slightly undercount.
