Lexical Definition

‎καθαρίζω‎ katharízō (kath-ar-id'-zo) to clean ^G:V
from ‎καθαρός‎

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

• to cleanse (literally or figuratively)

Abbott-Smith

† 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).†

Abbott-Smith References

Liddell-Scott-Jones

καθαρίζω-ίζω,

future -ιῶ[NT]:—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, [NT]passive, -ιζέστω ἀπὸ γυναικός κτλ. [Refs]

_{LSJ Scripture Refs: Heb.9.14 ☩ LXX.Exod.29.36 ☩ Matt.23.25 ☩ Acts.10.15 ☩ 2Cor.7.1 ☩ Heb.9.14 ☩ Matt.8.2}