Matthew 5:8καθαροὶ
Blessed are the pure in heart, for they will see God.
John 13:10καθαρὸς
Jesus told him, “Whoever has already bathed needs only to wash his feet, and he will be completely clean. And you are clean, though not all of you.”
Acts 18:6καθαρὸς
But when they opposed and insulted him, he shook out his garments and told them, “Your blood be on your own heads! I am innocent of it. From now on I will go to the Gentiles.”
1 Timothy 1:5καθαρᾶς
The goal of our instruction is the love that comes from a pure heart, a clear conscience, and a sincere faith.
Titus 1:15καθαρὰ
To the pure, all things are pure; but to the defiled and unbelieving, nothing is pure. Indeed, both their minds and their consciences are defiled.
Revelation 15:6καθαρὸν
And out of the temple came the seven angels with the seven plagues, dressed in clean and bright linen and girded with golden sashes around their chests.

Abbott-Smith

καθαρός, -ά, -όν
[in LXX chiefly for טָהוֹר ;]
pure, clean.

1. Physically: Mat.23:26 27:59, Jhn.13:10-11 (fig.), Jhn.15:3 (figuratively, as of a vine cleansed by pruning), Heb.10:22, Rev.15:6 19:8, 14 21:18, 21.

2. Ceremonially: Luk.11:41, Rom.14:20, Tit.1:15.

3. Ethically;

(a) of persons: Jhn.13:16, Act.18:6, Tit.1:15; ό κ. τῇ καρδίᾳ (καθαρὸς χεῖρας, Hdt., i, 35), Mat.5:8; before ἀπό (cl. with genitive simp.; ΒΙ., § 36, 11; Deiss., BS, 196; MM, Exp., xv), Act.20:26;

(b) of things: καρδία, 1Ti.1:6, 2Ti.2:22; συνείδησις, 1Ti.3:9, 2Ti.1:3; θρησκεία, Jas.1:27.†
SYN.: see: ἁγνός.
(AS)

Sources: Abbott-Smith’s Manual Greek Lexicon of the New Testament (1922, public domain) and glosses from STEPBible TBESG (CC BY 4.0); STEPBible TAGNT (Greek New Testament, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.