Quick Definition
ἀναγεννάω v. I beget again, beget into a new life
Strong's Definition
from 303 and 1080; to beget or (by extension) bear (again)
KJV Usage: beget, (bear) X (again)
UBS Dictionary of the Greek New Testament
verb | γεννάω
13.55 · Be, Become, Exist, Happen · Change of State
to cause to be born again, to be given new birth (a figurative extension of meaning of ἀναγεννάω ‘to be physically born again,’ not occurring in the NT) to cause to be changed as a form of spiritual rebirth In a number of languages the use of ἀναγεννάω in the sense of ‘to be born again spiritually’ is extremely difficult for people to understand, even as it was in biblical times. However, the concept is such an integral element in so much NT thought and teaching that the expression should be retained, though it may very well require some brief marginal explanation or at least significant cross-referencing.
In its NT usage ἀναγεννάω, of course, has nothing to do with birth as such, but refers to a radical change in personality, with the attendant change in state, and it is for that reason that ἀναγεννάω is here classified in Domain 13 Be, Become, Exist, Happen. See also 41.53.
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
ἀνα-γεννάω, -ῶ: 1 aor. ἀνεγέννησα ; pf. pass. ἀναγεγέννημαι; to produce again, beget again, beget anew; metaph.: twa, thoroughly to change the mind of one, so that he lives a new life and one conformed to the will of God, 1 Pet. i.3; passively ἔκ τινος, ibid. i. 23. (In the same sense in 600]. writ. [ef. Soph. Lex. 5. v.]. Among prof. auth. used by Joseph. antt. 4, 2, 1 τῶν ἐκ τοῦ στασιάζειν αὐτοῖς ἀναγεννωμένων [yet Bekker ἂν γενομένων] δεινῶν which originated.)
Mounce Concise Greek Dictionary
ἀναγεννάω anagennaō 2x
to beget or bring forth again; to regenerate, 1 Pet. 1:3, 23*
Abbott-Smith Greek Lexicon
**† ἀνα-γεννάω, -ῶ
[in LXX: Sir prol. 17 א* (ΑΒאc παρα-)*;]
to beget again: metaph., of spiritual birth, I Pe 1:3 1:23 (cf. Cremer, 147; MM, VGT, s.v.).†
Moulton & Milligan — Vocabulary of the Greek NT
ἀναγεννάω. The word, as well as the thought, is found in the Hermetic writings, e.g. Reitzenstein Pozmandres p. 3391} ἀγνοῶ, ὦ τρισμέγιστε, ἐξ οἵας μήτρας ἀνεγεννήθης, σπορᾶς δὲ ποίας : cf. Bauer on Jn 38 (in HZN7) and Reitzenstein Die he//. Mysterienreligionen pp. 26, 31.
Liddell-Scott-Jones — Greek-English Lexicon
ἀναγεννάω (anagennaō) — to beget. ἀναγενν-άω, beget anew, regenerate, [NT]:—passive, probably in [Refs]
2. metaphorically, arouse afresh, ἀ. πάλιν κακά[Refs 1st c.BC+]