Biblangbeta

verb

Greekκαθαρίζω (katharizō)
Biblang

katharizamō

Strong’sG2511

I make clean

stem kathariz-31 times in the New Testamentin 10 of 27 books19 forms occur

What it means

A plain-English reading of the word, with the lexicons it draws on — Abbott-Smith, Strong's, and Liddell-Scott-Jones — right below it, in full.

AI Summary

καθαρίζω means to make clean, cleanse, or purify. 42

In its most literal sense it refers to cleaning something physically dirty, such as a dish or cup, and to curing a person of disease, especially leprosy, so that they become clean. 13

It is also used in a moral or ethical sense, of cleansing the heart, the hands, the conscience, a person, or a whole community from sin or wrongdoing. 13

A further use is ceremonial: cleansing in the sense required by ritual law, making something or someone clean according to formal religious regulations rather than through ordinary washing. 1

Sources: 1 Abbott-Smith 2 Strong's 3 LSJ 4 Dodson. Condensed by anthropic/claude-sonnet-5 on 2026-09-23 — it may still misstate what these say; check them yourself if it matters to you.

The lexicons it was drawn from, in full:

Abbott-Smith — the 1922 lexicon entry, in full

† καθαρίζω

(Hellenistic-FlJ, Inscr.-for Attic καθαίρω, q.v., on the vulgar -ερ-, Mt 8:3, Mk 1:42, v. Bl., § 6, 1; Thackeray, Gr., 74), [in LXX chiefly for טָהֵר;]

to cleanse, make clean.
1. In physical sense: c. acc. rei, fig., Mt 23:25, 26, Lk 11:39; of disease (leprosy), c. acc. pers., Mt 8:2, 3 10:8 11:5, Mk 1:40-42, Lk 4:27 5:12, 13 7:22 17:14, 17; ἡ λέπρα ἐκαθερίσθη (on the spelling v. supr.), Mt 8:3.
2. In ethical sense: τ. καρδίας, Ac 15:9 (cf. Si 38:10); τ. χεῖρας, Ja 4:8; λαὸν ἑαυτῷ, Tit 2:14; τ. ἐκκλησίαν, Eph 5:26; c. acc. pers. (rei), seq. ἀπό (Bl., § 36, 9; Deiss., BS, 216 f.), II Co 7:1, He 9:14, I Jo 1:7, 9.
3. In ceremonial sense: Mk 7:19, Ac 10:15 11:9, He 9:22, 23 10:2 (cf. δια-καθαρίζω).†

G. Abbott-Smith, A Manual Greek Lexicon of the New Testament, 1922 — public domain. References open in the reader.

Strong’s G2511 — the 1890 definition, and where the word comes from

Saidkath-ar-id'-zo

to cleanse (literally or figuratively)

Fromfrom G2513;

King James(make) clean(-se), purge, purify.

James Strong, Exhaustive Concordance of the Bible, 1890 — public domain. The numbers in it link to the entries here.

Liddell-Scott-Jones — the classical dictionary this word appears in
κᾰθαρ-ίζω,
future -ιῶNT:—cleanse, θυσιαστήριον LXX+NT; sift grain, Refs 3rd c.AD+; prune away, περισσὰ βλαστήματα Refs 1st c.AD+; clear ground of weeds, etc., Refs 4th c.AD+; keep a precinct clear, ἀπό τινων Refs 1st c.BC+ —in middle, future -ιοῦμαι, of the menses, Refs 5th c.BC+
II of persons, purify, ἀπὸ ἁμαρτίας LXX+NT; cleanse from leprosy, NTpassive, -ιζέστω ἀπὸ γυναικός κτλ. Refs

H. G. Liddell, R. Scott, H. S. Jones, A Greek-English Lexicon (9th ed., 1925–1940) — digitised by the Perseus Digital Library and corrected and expanded by Tyndale House, Cambridge, via STEPBible-Data's TFLSJ table, CC BY 4.0. Covers all of Greek literature, not just the Bible.

Translated as

Every occurrence, sorted by the English it was actually given — the evidence for what the word means, not a gloss of it.

cleansed7×clean5×cleanse5×made clean4×make … clean3×cleansing2×purified2×cleanses1×declared … clean1×purify1×

Berean Standard Bible (BSB), dedicated to the public domain — berean.bible.

Biblang forms

What the New Testament actually uses, first — the whole system this verb is built from is one click further down.

Form and the Greek behind itWhat it isUsuallyTimes
katharizatōκαθαρίζειhappening now · he/she/itpresent active indicative 3rd person singularcleanses1×
katharizavōκαθαρίζετεhappening now · yepresent active indicative 2nd person pluralclean2×
katharizotōκαθαρίζεταιhappening now · he/she/itpresent middle or passive indicative 3rd person singularpurified1×
katharizolōκαθαρίζονταιhappening now · theypresent middle or passive indicative 3rd person pluralcleansed2×
katharizatiκαθαριεῖwill happen · he/she/itfuture active indicative 3rd person singularcleanse1×
katharizataἐκαθάρισενhappened · he/she/itaorist active indicative 3rd person singularmade clean2×
katharizitaἐκαθαρίσθηhappened · he/she/itaorist passive indicative 3rd person singularcleansed3×
katharizilaἐκαθαρίσθησανhappened · theyaorist passive indicative 3rd person pluralcleansed2×
katharizateiaκαθαρίσῃhappened · he/she/itaorist active subjunctive 3rd person singularpurify2×
katharizaneiaκαθαρίσωμενhappened · weaorist active subjunctive 1st person pluralcleanse1×
katharizavōrκαθαρίζετεhappening now · yepresent active imperative 2nd person pluralcleanse1×
katharizasarκαθάρισονhappened · youaorist active imperative 2nd person singularclean1×
katharizavarκαθαρίσατεhappened · yeaorist active imperative 2nd person pluralcleanse1×
katharizisarκαθαρίσθητιhappened · youaorist passive imperative 2nd person singularclean3×
katharizorōκαθαρίζεσθαιhappening now · the “to …” formpresent middle or passive infinitivepurified1×
katharizaraκαθαρίσαιhappened · the “to …” formaorist active infinitivemake … clean3×
katharizarōntosκαθαρίζωνhappening now · subjectpresent active participle nominative singular masculinedeclared … clean1×
katharizarantosκαθαρίσαςhappened · subjectaorist active participle nominative singular masculinecleansing2×
katharizorēntoinκεκαθαρισμένουςhas happened · objectperfect middle or passive participle accusative plural masculinecleansed1×

Every form the New Testament uses, in paradigm order. What the system can build beyond them — the whole of this verb, whether the text happens to use it or not — is in the tables below.

Every form the system can build — all 172, by mood, including the ones the New Testament never uses
Statements — indicative mood, 14 occurrences

the subject acts active voice

Who personhappening now presentwas happening imperfectwill happen futurehappened aoristhas happened perfecthad happened pluperfect
I 1st person singularkatharizamōkatharizamekatharizamikatharizamakatharizamēkatharizamelē
you 2nd person singularkatharizasōkatharizasekatharizasikatharizasakatharizasēkatharizaselē
he/she/it 3rd person singularkatharizatō1×καθαρίζειkatharizatekatharizati1×καθαριεῖkatharizata2×ἐκαθάρισενkatharizatēkatharizatelē
we 1st person pluralkatharizanōkatharizanekatharizanikatharizanakatharizanēkatharizanelē
ye 2nd person pluralkatharizavō2×καθαρίζετεkatharizavekatharizavikatharizavakatharizavēkatharizavelē
they 3rd person pluralkatharizalōkatharizalekatharizalikatharizalakatharizalēkatharizalelē

acts on itself, or is acted on middle or passive voice

Who personhappening now presentwas happening imperfecthas happened perfecthad happened pluperfect
I 1st person singularkatharizomōkatharizomekatharizomēkatharizomelē
you 2nd person singularkatharizosōkatharizosekatharizosēkatharizoselē
he/she/it 3rd person singularkatharizotō1×καθαρίζεταιkatharizotekatharizotēkatharizotelē
we 1st person pluralkatharizonōkatharizonekatharizonēkatharizonelē
ye 2nd person pluralkatharizovōkatharizovekatharizovēkatharizovelē
they 3rd person pluralkatharizolō2×καθαρίζονταιkatharizolekatharizolēkatharizolelē

acted on passive voice

Who personwill happen futurehappened aorist
I 1st person singularkatharizimikatharizima
you 2nd person singularkatharizisikatharizisa
he/she/it 3rd person singularkatharizitikatharizita3×ἐκαθαρίσθη
we 1st person pluralkatharizinikatharizina
ye 2nd person pluralkatharizivikathariziva
they 3rd person pluralkatharizilikatharizila2×ἐκαθαρίσθησαν
May, might — subjunctive mood, 3 occurrences

the subject acts active voice

Who personhappening now presenthappened aoristhas happened perfect
I 1st person singularkatharizameiōkatharizameiakatharizameiē
you 2nd person singularkatharizaseiōkatharizaseiakatharizaseiē
he/she/it 3rd person singularkatharizateiōkatharizateia2×καθαρίσῃkatharizateiē
we 1st person pluralkatharizaneiōkatharizaneia1×καθαρίσωμενkatharizaneiē
ye 2nd person pluralkatharizaveiōkatharizaveiakatharizaveiē
they 3rd person pluralkatharizaleiōkatharizaleiakatharizaleiē

acts on itself, or is acted on middle or passive voice

Who personhappening now presenthas happened perfect
I 1st person singularkatharizomeiōkatharizomeiē
you 2nd person singularkatharizoseiōkatharizoseiē
he/she/it 3rd person singularkatharizoteiōkatharizoteiē
we 1st person pluralkatharizoneiōkatharizoneiē
ye 2nd person pluralkatharizoveiōkatharizoveiē
they 3rd person pluralkatharizoleiōkatharizoleiē

acted on passive voice

Who personhappened aorist
I 1st person singularkatharizimeia
you 2nd person singularkathariziseia
he/she/it 3rd person singularkathariziteia
we 1st person pluralkatharizineia
ye 2nd person pluralkathariziveia
they 3rd person pluralkatharizileia
Commands — imperative mood, 6 occurrences

the subject acts active voice

Who personhappening now presenthappened aoristhas happened perfect
you 2nd person singularkatharizasōrkatharizasar1×καθάρισονkatharizasēr
he/she/it 3rd person singularkatharizatōrkatharizatarkatharizatēr
ye 2nd person pluralkatharizavōr1×καθαρίζετεkatharizavar1×καθαρίσατεkatharizavēr
they 3rd person pluralkatharizalōrkatharizalarkatharizalēr

acts on itself, or is acted on middle or passive voice

Who personhappening now presenthas happened perfect
you 2nd person singularkatharizosōrkatharizosēr
he/she/it 3rd person singularkatharizotōrkatharizotēr
ye 2nd person pluralkatharizovōrkatharizovēr
they 3rd person pluralkatharizolōrkatharizolēr

acted on passive voice

Who personhappened aorist
you 2nd person singularkatharizisar3×καθαρίσθητι
he/she/it 3rd person singularkatharizitar
ye 2nd person pluralkatharizivar
they 3rd person pluralkatharizilar
Wishes — optative mood, no occurrences

the subject acts active voice

Who personhappening now presenthappened aorist
I 1st person singularkatharizamoiōkatharizamoia
you 2nd person singularkatharizasoiōkatharizasoia
he/she/it 3rd person singularkatharizatoiōkatharizatoia
we 1st person pluralkatharizanoiōkatharizanoia
ye 2nd person pluralkatharizavoiōkatharizavoia
they 3rd person pluralkatharizaloiōkatharizaloia

acts on itself, or is acted on middle or passive voice

Who personhappening now present
I 1st person singularkatharizomoiō
you 2nd person singularkatharizosoiō
he/she/it 3rd person singularkatharizotoiō
we 1st person pluralkatharizonoiō
ye 2nd person pluralkatharizovoiō
they 3rd person pluralkatharizoloiō

acted on passive voice

Who personhappened aorist
I 1st person singularkatharizimoia
you 2nd person singularkatharizisoia
he/she/it 3rd person singularkatharizitoia
we 1st person pluralkatharizinoia
ye 2nd person pluralkatharizivoia
they 3rd person pluralkathariziloia
The “to …” form — infinitive, 4 occurrences
Who is acting voicehappening now presentwill happen futurehappened aoristhas happened perfect
the subject acts active voicekatharizarōkatharizarikatharizara3×καθαρίσαιkatharizarē
acts on itself, or is acted on middle or passive voicekatharizorō1×καθαρίζεσθαιkatharizorē
acted on passive voicekatharizirikatharizira
Used as an adjective — participle, 4 occurrences
Who is acting voicehappening now presentwill happen futurehappened aoristhas happened perfect
the subject acts active voicekatharizarōntos1×καθαρίζωνkatharizarintoskatharizarantos2×καθαρίσαςkatharizarēntos
acts on itself, or is acted on middle or passive voicekatharizorōntoskatharizorēntos1×
acted on passive voicekatharizirintoskatharizirantos

Each is given in the form it takes as a subject. From there a participle carries the ordinary noun endings, in every case, number and gender — so these four columns are the whole of what the verb contributes.

How every form is built — the slots that make them
katharizstem+aoeiwho is acting voice+mstnvl—who person+—eiroistatement, command, wish mood+ōeiaēelēwhen tense+—ntthen it declines+—ogender+—sits job in the sentence case

kathariz is this word in every one of its forms. The slots after it make all the rest.

same in every form varies — every value shown

Where it appears

Every verse the word appears in, filed under the form it takes there.

31 occurrences, every one of them listed

katharizatō“cleanses”happening now · he/she/itpresent active indicative 3rd person singular1×

1 John 1:7… tem haimem Iēsu tou huiou autou katharizatō nin apo pantau hamartau.… the blood of Jesus His Son cleanses us from all sin.

katharizavō“clean”happening now · yepresent active indicative 2nd person plural2×

Matthew 23:25… vi, grammatevoir kai Farisaioir hupokritoir, hoti katharizavō tem exōthen teu potērieu kai tau …… scribes and Pharisees, you hypocrites! You clean the outside of the cup and …

Luke 11:39… exōthen teu potērieu kai tou pinaxou katharizavō, tem de esōthen vu gematō harpagau …… the Lord said, “Now you Pharisees clean the outside of the cup and …

katharizotō“purified”happening now · he/she/itpresent middle or passive indicative 3rd person singular1×

Hebrews 9:22kai schedōs en haime panteim katharizotō kata ton nomon, kai chōris haimatekchusiau …… in fact, nearly everything must be purified with blood, and without the shedding …

katharizolō“cleansed”happening now · theypresent middle or passive indicative 3rd person plural2×

Matthew 11:5tuflois anablepalō kai chōlois peripatalō, leprois katharizolō kai kōfois akoualō, kai nekrois egerolō …… the lame walk, the lepers are cleansed, the deaf hear, the dead are …

Luke 7:22… akouava; tuflois anablepalō, chōlois peripatalō, leprois katharizolō, kōfois akoualō, nekrois egerolō, ptōchois euangelizolō;… the lame walk, the lepers are cleansed, the deaf hear, the dead are …

katharizati“cleanse”will happen · he/she/itfuture active indicative 3rd person singular1×

Hebrews 9:14“cleanse”… aiōnieu heauton prosferata amōmon to theo, katharizati tan suneidēsian nu apo nekreiu ergeiu …… who through the eternal Spirit offered Himself unblemished to God, purify our consciences from works of death …

katharizata“made clean”happened · he/she/itaorist active indicative 3rd person singular2×

Acts 10:15… deutereu pros auton; Heim tos theos katharizata sis mē koinasōr.… call anything impure that God has made clean.”

Acts 11:9… ek tou ouranou; Heim tos theos katharizata sis mē koinasōr.… call anything impure that God has made clean.’

katharizita“cleansed”happened · he/she/itaorist passive indicative 3rd person singular3×

Matthew 8:3… autou legarōntos; Thelamō, katharizisar; kai eutheōs katharizita autou tas lepras.… clean!” And immediately his leprosy was cleansed.

Mark 1:42“made clean”… aperchata apo autou tas lepras, kai katharizita.And immediately the leprosy left him, and the man …

Luke 4:27… Elisaiosou tou profētou, kai oudenos autoiu katharizita, ei mē Naiman tos Suros.… Yet not one of them was cleansed— only Naaman the Syrian.”

katharizila“cleansed”happened · theyaorist passive indicative 3rd person plural2×

Luke 17:14… kai geneta en te hupagarō autoin katharizila.… were on their way, they were cleansed.

Luke 17:17… tos Iēsus legata; Ouchi tois deka katharizila? tois de ennea pou?“Were not all ten cleansed?” Jesus asked. “Where then are the …

katharizateia“purify”happened · he/she/itaorist active subjunctive 3rd person singular2×

Titus 2:14… lutreteia nin apo pantau anomiau kai katharizateia heauto laon periousion, zēlōton kaleiu ergeiu.… us from all lawlessness and to purify for Himself a people for His …

1 John 1:9… hina afiēkateia ni tain hamartain kai katharizateia nin apo pantau adikiau.… forgive us our sins and to cleanse us from all unrighteousness.

katharizaneia“cleanse”happened · weaorist active subjunctive 1st person plural1×

2 Corinthians 7:1houtain oun echarōntois tain epangeliain, agapētoir, katharizaneia heautoin apo pantou molusmou sarkau kai …… we have these promises, let us cleanse ourselves from everything that defiles body …

katharizavōr“cleanse”happening now · yepresent active imperative 2nd person plural1×

Matthew 10:8asthenarōntoin therapeuavōr, nekroin egeravōr, leproin katharizavōr, daimoneim ekbalavōr; dōreōs labava, dōreōs dōavar.Heal the sick, raise the dead, cleanse the lepers, drive out demons. Freely …

katharizasar“clean”happened · youaorist active imperative 2nd person singular1×

Matthew 23:26Farisaior tuflor, katharizasar prōtem tem entos teu potērieu kai …Blind Pharisee! First clean the inside of the cup and …

katharizavar“cleanse”happened · yeaorist active imperative 2nd person plural1×

James 4:8engizavar to theo, kai engizati vi. katharizavar cheirain, hamartōloir, kai hagnizavar kardiain, dipsuchoir.… He will draw near to you. Cleanse your hands, you sinners, and purify …

katharizisar“clean”happened · youaorist passive imperative 2nd person singular3×

Matthew 8:3… tan cheiran hapteta autou legarōntos; Thelamō, katharizisar; kai eutheōs katharizita autou tas lepras.… I am willing,” He said. “Be clean!” And immediately his leprosy was cleansed.

Mark 1:41“made clean”… autou hapteta kai legatō auto; Thelamō, katharizisar;… reached out His hand and touched the man. “I am willing,” He said. “Be clean!”

Luke 5:13… tan cheiran hapteta autou legarantos; Thelamō, katharizisar; kai eutheōs tas lepras aperchata apo …… I am willing,” He said. “Be clean!” And immediately the leprosy left him.

katharizorō“purified”happening now · the “to …” formpresent middle or passive infinitive1×

Hebrews 9:23… hupodeigmeim teiu en toi ouranoi houtei katharizorō, auteim de teim epouraneim kreittonai thusiai …… of the heavenly things to be purified with these sacrifices, but the heavenly …

katharizara“make … clean”happened · the “to …” formaorist active infinitive3×

Matthew 8:2… legarōntos; Kurior, ean thelaseiō dunosō min katharizara.… if You are willing, You can make me clean.”

Mark 1:40… auto hoti Ean thelaseiō dunosō min katharizara.… If You are willing, You can make me clean.”

Luke 5:12… legarōntos; Kurior, ean thelaseiō dunosō min katharizara.… if You are willing, You can make me clean.”

katharizarōntos“declared … clean”happening now · subjectpresent active participle nominative singular masculine1×

Mark 7:19… koilian, kai eis ton afedrōnon ekporeuotō? katharizarōntos panteim teim brōmeim.… is eliminated.” (Thus all foods are clean.)

katharizarantos“cleansing”happened · subjectaorist active participle nominative singular masculine2×

Acts 15:9“cleansing”… nu tē kai auteiu, ta pistia katharizarantos tain kardiain auteiu.… distinction between us and them, for He cleansed their hearts by faith.

Ephesians 5:26hina autan hagiazateia katharizarantos te loutre teu hudeu en rēme,to sanctify her, cleansing her by the washing with water …

katharizorēntoin“cleansed”has happened · objectperfect middle or passive participle accusative plural masculine1×

Hebrews 10:2… ēti suneidēsian hamartaiu toin latreuarōntoin hapax katharizorēntoin?… For the worshipers would have been cleansed once for all, and would no …