Lexical Definition

‎νήπιος‎ nḗpios (nay'-pee-os) child G:A
from an obsolete particle (implying negation) and ‎ἔπος‎

babe, child (+ -ish).

Usage: 10 forms in 47 verses
Form Translated As     In Verse(s)
νηπίων of babes Matt.21.16
of infants LXX.Job.24.12 • LXX.Ps.8.2 • LXX.Ps.64.7 • Rom.2.20
of your infants LXX.Lam.2.19
νηπίουσ simple ones LXX.Ps.119.130 • LXX.Prov.1.32
νηπίου an infant LXX.Job.33.25
child 1Cor.13.11
infant LXX.1Sam.15.3 • LXX.1Sam.22.19
simple one LXX.Ezek.45.20
νηπίοισ their infants LXX.Ps.17.14
to infants 1Cor.3.1
to little children Matt.11.25 • Luke.10.21
νήπιόσ a child Gal.4.1
νήπιοσ Israel an infant LXX.Hos.11.1
a child 1Cor.13.11 • 1Cor.13.11 • 1Cor.13.11 • 1Cor.13.11
an infant Heb.5.13
νήπιον an infant LXX.Isa.11.8
infant LXX.Jer.44.7 • LXX.Lam.2.11
simple LXX.Prov.23.13
νήπιοι children Gal.4.3
infants LXX.Job.3.16 • Eph.4.14 • 1Thess.2.7
νήπια Her infants LXX.Lam.1.5 • LXX.Nah.3.10
infants LXX.Ps.19.7 • LXX.Ps.116.6 • LXX.Jer.9.21 • LXX.Jer.43.6 • LXX.Lam.2.20 • LXX.Lam.4.4 • LXX.Ezek.9.6 • LXX.Joel.2.16
simple LXX.Jer.40.7
simple ones LXX.Jer.6.11
their infants LXX.2Kgs.8.12
νήπιά my infants LXX.Job.31.10
your infants LXX.Ps.137.9

Abbott-Smith

νήπιος, -α, -ον, [in LXX chiefly for עוֹלֵל, also for פְּתִי, etc.;]
infant; of children and minors: Mt 21:16(LXX), I Co 13:11, Ga 4:1 (v. Lft., in l.). Metaph., childish, unskilled, simple (Ps 18 (19):8*, Pr 1:32, al.): Mt 11:25, Lk 10:21, Ro 2:20, Ga 4:3, Eph 4:14, I Th 2:7 (WH, fox ἤπιοι); opp. to τέλειος, He 5:13; ν. ἐν Χριστῷ, I Co 3:1.†

Abbott-Smith References

Book Refs
Psalms 19:8*
Proverbs 1:32
Matthew 11:25 · 21:16
Luke 10:21
Romans 2:20
1 Corinthians 3:1 · 13:11
Galatians 4:1 · 4:3
Ephesians 4:14
1 Thessalonians 2:7
Hebrews 5:13

Liddell-Scott-Jones

νήπιος, α

[Refs 2nd c.AD+], Ionic dialect η, ον, also ος, ον [Refs 3rd c.BC+]:— infant, child, frequently in [Refs 8th c.BC+]; ἐκ νηπίου from a child, from infancy, [τὸ ἡδὺ] ἐκ ν. ἡμῖν συντέθραπται [Refs 2nd c.BC+]; infant in law, minor, ἐφ᾽ ὅσον ὁ κληρονόμος ν. ἐστιν [NT]; of children up to puberty, αἱ τῶν ν. ἐκλάμψιες [Refs 5th c.BC+]; but of the foetus in its early stage, [Refs 5th c.BC+]

__2 less frequently of animals, [Refs 8th c.BC+]; νήπια alone, the young of an animal, [Refs]
__3 of plants, [Refs 4th c.BC+]
__II metaphorically,
__II.1 of the understanding, childish, silly, [Refs 8th c.BC+]; simply, without foresight, blind, [Refs 8th c.BC+]; οὔτε πρὶν νήπιον, νῦν τ᾽.. μέγαν no child before and now full-grown (i.e. in mind), [Refs]; of words, νήπια βάζεις [Refs 5th c.BC+]
__II.2 of bodily strength, like that of a child, βίη δέ τε ν. αὐτῶν [Refs 8th c.BC+]

LSJ Scripture Refs: Gal.4.1