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Greek verb · G2511

καθαρίζω

katharizokath-ar-id'-zo

In physical sense; In ethical sense; In ceremonial sense

31 uses in the Greek text, one for each word STEP Bible has tagged with this key

Concordance spelling: katharízō

Word page · Part of the concordance, one page for every word of the Hebrew and Greek text. Strong's G2511is this word's number in James Strong's 1890 index of the King James Bible.

  • 10 of 27
    New Testament books
  • 18
    spellings
  • 3
    meanings

The definition in full

Strong's key (1890) · G2511

to cleanse (literally or figuratively)

The King James renders it: (make) clean(-se), purge, purify.

James Strong, The Exhaustive Concordance of the Bible (1890), public domain. Strong indexed the King James text, and this site quotes his entry as that index.

Summary

katharizo is rendered "In physical sense; In ethical sense; In ceremonial sense". It stands 31 times in the Greek text, across ten books.

  • Seven of the uses stand in Matthew, more than in any other book.
  • The lexicon lists three meanings for it, beginning with "In physical sense".
  • Its first use in canonical order opens the ledger below.Matthew 8:2Suddenly a leper came and knelt before Him, saying, “Lord, if You are willing, You can make me clean.”
  • The Greek text spells it eighteen different ways.

The first use

Suddenly a leper came and knelt before Him, saying, “Lord, if You are willing, You can make me clean.”

Matthew 8:2καθαρίσαι

The first use, in the order of the New Testament's books.

Where the word stands

The word stands in ten of the 27 New Testament books.

The other 17 New Testament books never use the word.

What the word means

The word carries three meanings: In physical sense, and In ethical sense, and In ceremonial sense.

Each meaning, and the words it is translated by

The English STEP Bible gives each use, word by word, and how many times.
In physical sensewith accusative of thing(s), figuratively, Mat.23:25-26, Luk.11:39; of disease (leprosy), with accusative of person(s), Mat.8:2-3 10:8...Tagged as
  • do be cleansed3
  • to cleanse3
  • are cleansed2
  • was cleansed2
  • you cleanse2
  • cleansed1
  • cleanses1
  • he was cleansed1

and 5 more, 20 uses in all

WhereMatthew 8:2Suddenly a leper came and knelt before Him, saying, “Lord, if You are willing…
In ethical senseτ. καρδίαςTagged as
  • do cleanse3
  • having cleansed1
  • having purified1
  • may purify1
  • we may cleanse1
WhereActs 15:9He made no distinction between us and them, for He cleansed their hearts by faith.
In ceremonial senseMrk.7:19Tagged as
  • has cleansed2
  • are purified1
  • purifying1
WhereMark 7:19because it does not enter his heart, but it goes into the stomach and then is eliminated…

The words built on the same word-part

Each word below begins with the same letters this one begins with. A shared word-part shows a family. It does not settle what any one of them means, so each word carries its own uses on its own page. Scholars call that shared part the stem.

καθαρόςkatharoscleanUses27
καθάπερkathaperjust asUses13
καθαιρέωkathaireoto take downUses8
καθαρισμόςkatharismoscleansingUses7
καθαίρεσιςkathairesisdestructionUses3
καθάkathaas/just asUses1
καθαίρωkathairoto pruneUses1
καθάπτωkathaptoto attachUses1
καθαρότηςkatharotescleannessUses1

The words it stands beside

All 31, in canonical order

Every use, in order

Every use, grouped by book, with its verse.

18 spellings and their grammar

STEP Bible tags every word of the Hebrew and Greek text with its spelling and its grammar. Both lists below count the rows printed underneath, written out in English, with the code beside each one as it was tagged.

How it is spelled

  • ἐκαθαρίσθη3
  • καθαρίζετε3
  • καθαρίσαι3
  • καθαρίσθητι3
  • ἐκαθάρισεν2
  • ἐκαθαρίσθησαν2
  • καθαρίζονται2
  • καθαρίσας2
  • καθαρίσῃ2
  • καθαριεῖ1
  • καθαρίζει1
  • καθαρίζεσθαι1

and 6 more spellings in the ledger below.

The grammar of each form

  • verb · aorist active, infinitive (“to…”)3V-AAN
  • verb · aorist passive, indicative · 3rd person singular3V-API-3S
  • verb · aorist passive, command · 2nd person singular3V-APM-2S
  • verb · aorist active, indicative · 3rd person singular2V-AAI-3S
  • verb · aorist active, participle · nominative (subject) · masculine singular2V-AAP-NSM
  • verb · aorist active, subjunctive · 3rd person singular2V-AAS-3S
  • verb · aorist passive, indicative · 3rd person plural2V-API-3P
  • verb · present active, indicative · 2nd person plural2V-PAI-2P
  • verb · present passive, indicative · 3rd person plural2V-PPI-3P
  • verb · aorist active, command · 2nd person plural1V-AAM-2P
  • verb · aorist active, command · 2nd person singular1V-AAM-2S
  • verb · aorist active, subjunctive · 1st person plural1V-AAS-1P

Matthew

seven uses
  • Suddenly a leper came and knelt before Him, saying, “Lord, if You are willing, You can make me clean.”

    Matthew 8:2

    • καθαρίσαιkatharisaiverb · aorist active, infinitive (“to…”)tagged: to cleanse
  • Jesus reached out His hand and touched the man. “I am willing,” He said. “Be clean!” And immediately his leprosy was cleansed.

    Matthew 8:3

    • καθαρίσθητιkatharisthetiverb · aorist passive, command · 2nd person singulartagged: do be cleansed
    • ἐκαθαρίσθηekatharistheverb · aorist passive, indicative · 3rd person singulartagged: was cleansed
  • Heal the sick, raise the dead, cleanse the lepers, drive out demons. Freely you have received; freely give.

    Matthew 10:8

    • καθαρίζετεkatharizeteverb · present active, command · 2nd person pluraltagged: do cleanse
  • The blind receive sight, the lame walk, the lepers are cleansed, the deaf hear, the dead are raised, and the good news is preached to the poor.

    Matthew 11:5

    • καθαρίζονταιkatharizontaiverb · present passive, indicative · 3rd person pluraltagged: are cleansed
  • Woe to you, scribes and Pharisees, you hypocrites! You clean the outside of the cup and dish, but inside they are full of greed and self-indulgence.

    Matthew 23:25

    • καθαρίζετεkatharizeteverb · present active, indicative · 2nd person pluraltagged: you cleanse
  • Blind Pharisee! First clean the inside of the cup and dish, so that the outside may become clean as well.

    Matthew 23:26

    • καθάρισονkatharisonverb · aorist active, command · 2nd person singulartagged: do cleanse

Mark

four uses
  • Then a leper came to Jesus, begging on his knees: “If You are willing, You can make me clean.”

    Mark 1:40

    • καθαρίσαιkatharisaiverb · aorist active, infinitive (“to…”)tagged: to cleanse
  • Moved with compassion, Jesus reached out His hand and touched the man. “I am willing,” He said. “Be clean!”

    Mark 1:41

    • καθαρίσθητιkatharisthetiverb · aorist passive, command · 2nd person singulartagged: do be cleansed
  • And immediately the leprosy left him, and the man was cleansed.

    Mark 1:42

    • ἐκαθαρίσθηekatharistheverb · aorist passive, indicative · 3rd person singulartagged: he was cleansed
  • because it does not enter his heart, but it goes into the stomach and then is eliminated.” (Thus all foods are clean.)

    Mark 7:19

    • καθαρίζωνkatharizonverb · present active, participle · nominative (subject) · masculine singulartagged: purifying

Luke

seven uses
  • And there were many lepers in Israel in the time of Elisha the prophet. Yet not one of them was cleansed—only Naaman the Syrian.”

    Luke 4:27

    • ἐκαθαρίσθηekatharistheverb · aorist passive, indicative · 3rd person singulartagged: was cleansed
  • While Jesus was in one of the towns, a man came along who was covered with leprosy. When he saw Jesus, he fell facedown and begged Him, “Lord, if You are willing, You can make me clean.”

    Luke 5:12

    • καθαρίσαιkatharisaiverb · aorist active, infinitive (“to…”)tagged: to cleanse
  • Jesus reached out His hand and touched the man. “I am willing,” He said. “Be clean!” And immediately the leprosy left him.

    Luke 5:13

    • καθαρίσθητιkatharisthetiverb · aorist passive, command · 2nd person singulartagged: do be cleansed
  • So He replied, “Go back and report to John what you have seen and heard: The blind receive sight, the lame walk, the lepers are cleansed, the deaf hear, the dead are raised, and the good news is preached to the poor.

    Luke 7:22

    • καθαρίζονταιkatharizontaiverb · present passive, indicative · 3rd person pluraltagged: are cleansed
  • “Now then,” said the Lord, “you Pharisees clean the outside of the cup and dish, but inside you are full of greed and wickedness.

    Luke 11:39

    • καθαρίζετεkatharizeteverb · present active, indicative · 2nd person pluraltagged: you cleanse
  • When Jesus saw them, He said, “Go, show yourselves to the priests.” And as they were on their way, they were cleansed.

    Luke 17:14

    • ἐκαθαρίσθησανekatharisthesanverb · aorist passive, indicative · 3rd person pluraltagged: they were cleansed
  • “Were not all ten cleansed?” Jesus asked. “Where then are the other nine?

    Luke 17:17

    • ἐκαθαρίσθησανekatharisthesanverb · aorist passive, indicative · 3rd person pluraltagged: were cleansed

Acts

three uses
  • The voice spoke to him a second time: “Do not call anything impure that God has made clean.”

    Acts 10:15

    • ἐκαθάρισενekatharisenverb · aorist active, indicative · 3rd person singulartagged: has cleansed
  • But the voice spoke from heaven a second time, ‘Do not call anything impure that God has made clean.’

    Acts 11:9

    • ἐκαθάρισενekatharisenverb · aorist active, indicative · 3rd person singulartagged: has cleansed
  • He made no distinction between us and them, for He cleansed their hearts by faith.

    Acts 15:9

    • καθαρίσαςkatharisasverb · aorist active, participle · nominative (subject) · masculine singulartagged: having purified

2 Corinthians

one use
  • Therefore, beloved, since we have these promises, let us cleanse ourselves from everything that defiles body and spirit, perfecting holiness in the fear of God.

    2 Corinthians 7:1

    • καθαρίσωμενkatharisomenverb · aorist active, subjunctive · 1st person pluraltagged: we may cleanse

Ephesians

one use
  • to sanctify her, cleansing her by the washing with water through the word,

    Ephesians 5:26

    • καθαρίσαςkatharisasverb · aorist active, participle · nominative (subject) · masculine singulartagged: having cleansed

Titus

one use
  • He gave Himself for us to redeem us from all lawlessness and to purify for Himself a people for His own possession, zealous for good deeds.

    Titus 2:14

    • καθαρίσῃkathariseverb · aorist active, subjunctive · 3rd person singulartagged: may purify

Hebrews

four uses
  • how much more will the blood of Christ, who through the eternal Spirit offered Himself unblemished to God, purify our consciences from works of death, so that we may serve the living God!

    Hebrews 9:14

    • καθαριεῖkatharieiverb · future active, indicative · 3rd person singulartagged: will purify
  • According to the law, in fact, nearly everything must be purified with blood, and without the shedding of blood there is no forgiveness.

    Hebrews 9:22

    • καθαρίζεταιkatharizetaiverb · present passive, indicative · 3rd person singulartagged: are purified
  • So it was necessary for the copies of the heavenly things to be purified with these sacrifices, but the heavenly things themselves with better sacrifices than these.

    Hebrews 9:23

    • καθαρίζεσθαιkatharizesthaiverb · present passive, infinitive (“to…”)tagged: to be purified
  • If it could, would not the offerings have ceased? For the worshipers would have been cleansed once for all, and would no longer have felt the guilt of their sins.

    Hebrews 10:2

    • κεκαθαρισμένουςkekatharismenousverb · perfect passive, participle · accusative (object) · masculine pluraltagged: cleansed

James

one use
  • Draw near to God, and He will draw near to you. Cleanse your hands, you sinners, and purify your hearts, you double-minded.

    James 4:8

    • καθαρίσατεkatharisateverb · aorist active, command · 2nd person pluraltagged: do cleanse

1 John

two uses
  • But if we walk in the light as He is in the light, we have fellowship with one another, and the blood of Jesus His Son cleanses us from all sin.

    1 John 1:7

    • καθαρίζειkatharizeiverb · present active, indicative · 3rd person singulartagged: cleanses
  • If we confess our sins, He is faithful and just to forgive us our sins and to cleanse us from all unrighteousness.

    1 John 1:9

    • καθαρίσῃkathariseverb · aorist active, subjunctive · 3rd person singulartagged: may cleanse

Where it leads

Studies that open this word1

How the numbers are counted

Every count on this page comes from STEP Bible's tagged Hebrew and Greek text, the same text the ledger prints. A use is counted once each time the tagging marks a word with this key.

Spellings are counted as the Greek text spells them, with the sentence's own punctuation taken off the word first, so a form that ends a clause is not counted as a second spelling.

The words it stands beside are the nouns, verbs and adjectives immediately before or after it, counted in every verse where the word stands. The article, the conjunctions and the prepositions are left out, because they stand beside every word.

The family is read from the lexicon by the stem the two words share, with the accents off, and a person or a place named on the stem is left out.

Hebrew and Greek text, word tagging and grammar: STEP Bible (www.STEPBible.org), Tyndale House, CC BY 4.0. Their grammar codes are written out in English here and shown as tagged beside each one.

Meaning and senses: STEP Bible TBESG (Tyndale House, CC BY 4.0), the Brief lexicon based on Abbott-Smith (1922).

Dictionary key: Strong's Exhaustive Concordance of the Bible (1890, public domain). English verse text: Berean Standard Bible (public domain, 2023).

Revised 2026-09-05. Every cited work, the sources registry →