εἰλικρινήςeilikrinḗs

unalloyed, pure

Greek (New Testament) · G1506

Meanings

(a) of unmixed substances

(b) of abstract ideas

ἁγνός (see that word), καθαρός, cf. Tr., Syn.: §lxxxv; DB, iv, 176a; Cremer, 378; Westc. on 1 John 3:3.

Appears 2 times in the Bible.

Philippians 1:10 For I want you to understand what really matters, so that you may live pure and blameless lives until the day of Christ’s return.
2 Peter 3:1 This is my second letter to you, dear friends, and in both of them I have tried to stimulate your wholesome thinking and refresh your memory.

Source: G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), public domain.