3515. népiazó
Lexical Summary
népiazó: To be a child, to act as a child

Original Word: νηπιάζω
Part of Speech: Verb
Transliteration: népiazó
Pronunciation: nay-pee-ad'-zo
Phonetic Spelling: (nay-pee-ad'-zo)
KJV: be a child
NASB: infants
Word Origin: [from G3516 (νήπιος - child)]

1. to act as a babe
2. (figuratively) innocently

Strong's Exhaustive Concordance
be a child.

From nepios; to act as a babe, i.e. (figuratively) innocently -- be a child.

see GREEK nepios

NAS Exhaustive Concordance
Word Origin
from népios
Definition
to be an infant
NASB Translation
infants (1).

Thayer's Greek Lexicon
STRONGS NT 3515: νηπιάζω

νηπιάζω (cf. Winer's Grammar, 92 (87)); (νήπιος, which see); to be a babe (infant): 1 Corinthians 14:20. (Hippocrates; ecclesiastical writings.)

Topical Lexicon
Overview

Strong’s Greek 3515 occurs once in the New Testament and conveys the idea of “acting as an infant.” The single imperative appearance frames the term as a deliberate posture believers are to adopt toward evil, not toward their understanding of truth.

Biblical usage

1 Corinthians 14:20 stands alone linguistically yet rests within a wider scriptural pattern that uses infancy both positively and negatively. Infancy can symbolize purity and trust (Matthew 18:3-4) or, conversely, immaturity and instability (Ephesians 4:14). The verb of 1 Corinthians 14:20 emphasizes the former—ethical innocence.

The command in 1 Corinthians 14:20

“Brothers, stop thinking like children. In regard to evil be infants, but in your thinking be mature.”

Paul’s juxtaposition establishes two simultaneous duties:

• Be uninstructed in malice—retain the moral freshness of a newborn who has not tasted sin’s corruption.
• Grow up in discernment—develop settled convictions and clear judgment, especially in the contentious arena of spiritual gifts that frames the chapter (1 Corinthians 14:1-40).

Childlike innocence contrasted with mature understanding

Scripture never endorses naïveté toward doctrine. Jesus commends childlike faith (Matthew 11:25) yet warns against gullibility (Matthew 10:16). The apostolic model is innocence without ignorance—simple concerning vice, sophisticated concerning truth (Romans 16:19).

Connections with Old Testament and Jewish thought

Hebrew culture prized tamîm (“blameless,” Genesis 6:9) and tach (“simple,” Proverbs 1:4) as descriptors of righteous character. Infancy evoked covenantal hope: a new generation unmarked by idolatry’s scars (Deuteronomy 29:11). Paul draws on this ethical symbolism to instruct the Corinthian congregation, steeped in pagan excess, to start afresh in their moral orientation.

Patristic reflections

• Chrysostom highlights the protective aspect: an infant “knows nothing of the poison of wickedness.”
• Augustine links the verse to baptismal regeneration, urging believers to “put away the old man” and maintain baptismal purity.
• Gregory the Great warns that knowledge divorced from humility “inflates,” whereas the innocence of infancy “saves from pride.”

Implications for Christian discipleship

1. Teaching ministries must pair doctrinal depth with ethical safeguarding, nurturing believers who are hard to deceive yet hard to defile.
2. Accountability structures in church life serve to preserve congregational innocence—screening influences, guarding hospitality (2 John 10-11), and disciplining unrepentant sin (1 Corinthians 5:6-8).
3. Family and children’s ministries model Paul’s ideal when they train young hearts to reject evil early while steadily increasing scriptural comprehension.

Guarding against evil

The imperative “be infants” legitimizes strategic ignorance—choosing not to explore sinful practices, media, or conversations. Such restraint honors Philippians 4:8, focusing thought on whatever is pure.

Relationship to spiritual gifts

Corinth exalted ecstatic utterances; Paul’s correction centers on edification (1 Corinthians 14:12). Moral infancy toward evil prevents gifts from becoming tools of rivalry or sensuality, thereby safeguarding corporate worship.

Contemporary application

• Digital culture exposes believers to pervasive corruption; intentional limitations (filters, accountability partners) obey the call to remain infant-like in evil.
• Seminaries and Bible colleges can cultivate academic rigor without cynical worldliness by embedding spiritual disciplines alongside scholarship.
• Mission strategy benefits when workers enter unreached contexts “harmless as doves” (Matthew 10:16), maintaining innocence while exercising cultural intelligence.

Related biblical motifs

Child of God – Romans 8:16

Pure heart – Matthew 5:8

Blamelessness – Philippians 2:15

Summary

Strong’s 3515 underscores an essential tension in Christian maturity: moral naiveté toward sin coupled with intellectual and spiritual completeness. The believer is called to keep the heart unspotted while the mind grows robust in truth, reflecting the Savior who was “holy, innocent, undefiled” (Hebrews 7:26) yet taught with unparalleled authority.

Forms and Transliterations
νηπιαζετε νηπιάζετε nepiazete nepiázete nēpiazete nēpiázete
Links
Interlinear GreekInterlinear HebrewStrong's NumbersEnglishman's Greek ConcordanceEnglishman's Hebrew ConcordanceParallel Texts
Englishman's Concordance
1 Corinthians 14:20 V-PMA-2P
GRK: τῇ κακίᾳ νηπιάζετε ταῖς δὲ
NAS: in evil be infants, but in your thinking
KJV: in malice be ye children, but
INT: in the [regard to] evil be little children in the [regard to] however

Strong's Greek 3515
1 Occurrence


νηπιάζετε — 1 Occ.

3514
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