John 1:14ἀληθείας¶
The Word became flesh and made His dwelling among us. We have seen His glory, the glory of the one and only Son from the Father, full of grace and truth.
Romans 1:18ἀλήθειαν
The wrath of God is being revealed from heaven against all the godlessness and wickedness of men who suppress the truth by their wickedness.
2 Corinthians 4:2ἀληθείας
Instead, we have renounced secret and shameful ways. We do not practice deceit, nor do we distort the word of God. On the contrary, by open proclamation of the truth, we commend ourselves to every man’s conscience in the sight of God.
Ephesians 1:13ἀληθείας
And in Him, having heard and believed the word of truth—the gospel of your salvation—you were sealed with the promised Holy Spirit,
1 Timothy 2:7ἀλήθειαν
For this reason I was appointed as a preacher, an apostle, and a faithful and true teacher of the Gentiles. I am telling the truth; I am not lying about anything.
1 John 1:6ἀλήθειαν
If we say we have fellowship with Him yet walk in the darkness, we lie and do not practice the truth.

Abbott-Smith

ἀλήθεια, -ας, ἡ
(ἀληθής), [in LXX chiefly for אֱמֶת (on which, see Cremer, 627f.), אֱמוּנָה ;]
truth (see DB, iv, 818f.).

1. Objectively, "the reality lying at the basis of an appearance; the manifested, veritable essence of a matter" (Cremer, 86): Rom.9:1, al.; of religious truth, Rom.1:25, al.; esp. of Christian doctrine, Gal.2:5, al.; ἀ. θεοῦ, Rom.15:8.

2. Subjectively, truthfulness, truth, not merely verbal (cl.), but sincerity and integrity of character: Jhn.8:44, 3Jo.3.

3. In phrases (MM, VGT, see word): ἐπ᾽ ἀληθείας, Mrk.12:14, al.; ἀ. λέγειν (εἰπεῖν, λαλεῖν), Rom.9:1, 2Co.12:6, Eph.4:25, al.; ἀ. ποιεῖν, Jhn.3:21, 1Jn.1:6 (cf. DB, iv, 818b, ff.).
(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.