What does ἄφρων (áphrōn) mean in the Bible?
Ἄφρων describes someone without sense, understanding, or sound judgment. Paul can use it directly or adopt the role ironically.
Greek · G878
ἄφρων
Foolish
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ἄφρων G878
Pronunciation áphrōn
What does ἄφρων (áphrōn) mean in the Bible?
Ἄφρων describes someone without sense, understanding, or sound judgment. Paul can use it directly or adopt the role ironically.
Reader summary
Full entry for ἄφρων (G878) · Open the biblical lexicon
Questions this entry answers
How does the BSB render G878?
The BSB source-word alignment has 11 aligned rows for this entry. Common renderings include a fool (4), [You] fool (1), [You] fools (1), fool (1), foolish (1).
Where does ἄφρων (áphrōn) appear in Scripture?
The source-word alignment first shows this entry at Luke 11:40. Its strongest book concentrations include 2 Corinthians (5), Luke (2), 1 Corinthians (1), 1 Peter (1).
What This Word Actually Means
Ἄφρων describes someone without sense, understanding, or sound judgment. Paul can use it directly or adopt the role ironically. In 2 Corinthians 11, he repeatedly calls his boasting foolish because the Corinthians have forced him into the world's comparison game; his irony exposes leadership that boasts in status and domination. In 1 Corinthians 15:36, he rebukes the objection that cannot imagine resurrection, answering with the seed that dies and is given a body by God.
Ephesians 5 contrasts foolishness with understanding the Lord's will amid evil days. The adjective is not permission for casual insults. It names a serious failure of moral or theological judgment, and its sharpness must remain governed by the apostolic argument.
How the Bible Uses It
Paul uses ἄφρων for lack of sound judgment and, ironically, for his own reluctant participation in boastful comparison. Folly rejects resurrection, misunderstands God's will, or adopts worldly measures of ministry.
- 2Cor.11.16
I repeat: Let no one take me for a fool. But if you do, then receive me as a fool, so that I too may boast a little.
Paul's “foolish” boasting is an ironic strategy forced by the Corinthians' tolerance of domineering rivals; it culminates in boasting about weakness.
- 1Cor.15.36
You fool! What you sow does not come to life unless it dies.
The resurrection objection is foolish because it fails to reckon with God's power already illustrated in seed, body, and creation.
- Eph.5.17
Therefore do not be foolish, but understand what the Lord’s will is.
Foolish living in evil days is countered by careful walking, redeemed time, and understanding the Lord's will.
Book context
Source Word Evidence
BSB source-word alignment connects this entry to exact verse rows, English rendering, source form, transliteration, and parsing.
How English Renders It a fool 4× 2 Corinthians 11:16, 2 Corinthians 12:6, 2 Corinthians 12:11
[You] fool 1× Luke 12:20
[You] fools 1× Luke 11:40
fool 1× 1 Corinthians 15:36
foolish 1× Ephesians 5:17
fools 1× 2 Corinthians 11:19
of [the] foolish 1× Romans 2:20
of foolish 1× 1 Peter 2:15
Show sample aligned rows
Luke 11:40 ἄφρονες to [You] fools Adjective - Vocative Masculine Plural Luke 12:20 Ἄφρων to [You] fool Adjective - Vocative Masculine Singular Romans 2:20 ἀφρόνων to of [the] foolish Adjective - Genitive Masculine Plural 1 Corinthians 15:36 ἄφρων to fool Adjective - Vocative Masculine Singular 2 Corinthians 11:16 ἄφρονα to a fool Adjective - Accusative Masculine Singular 2 Corinthians 11:16 ἄφρονα to a fool Adjective - Accusative Masculine Singular 2 Corinthians 11:19 ἀφρόνων to fools Adjective - Genitive Masculine Plural 2 Corinthians 12:6 ἄφρων to a fool Adjective - Nominative Masculine Singular 2 Corinthians 12:11 ἄφρων to a fool Adjective - Nominative Masculine Singular Ephesians 5:17 ἄφρονες to foolish Adjective - Nominative Masculine Plural
Usage map
A compact distribution from source-word alignment before the full evidence tables.
First aligned row Luke 11:40
Aligned rows 11
Books represented 6
Luke 2 Romans 1 1 Corinthians 1 2 Corinthians 5 Ephesians 1 1 Peter 1
Source forms
ἀφρόνων 3x aphronōn Romans 2:20, 2 Corinthians 11:19, 1 Peter 2:15
ἄφρων 3x aphrōn 1 Corinthians 15:36, 2 Corinthians 12:6, 2 Corinthians 12:11
ἄφρονα 2x aphrona 2 Corinthians 11:16
ἄφρονες 2x aphrones Luke 11:40, Ephesians 5:17
Ἄφρων 1x Aphrōn Luke 12:20
Parsing patterns
Adjective - Genitive Masculine Plural 3x Romans 2:20, 2 Corinthians 11:19, 1 Peter 2:15
Adjective - Accusative Masculine Singular 2x 2 Corinthians 11:16
Adjective - Nominative Masculine Singular 2x 2 Corinthians 12:6, 2 Corinthians 12:11
Adjective - Vocative Masculine Singular 2x Luke 12:20, 1 Corinthians 15:36
Adjective - Nominative Masculine Plural 1x Ephesians 5:17
Adjective - Vocative Masculine Plural 1x Luke 11:40
Using This Word Well
Be careful not to...
- Use the adjective only after identifying the concrete failure of judgment the passage confronts.
Avoid claiming...
- Do not use ἄφρων as permission for contemptuous name-calling or ridicule of limited education.
- Do not interpret Paul's resurrection rebuke as hostility to honest questions; it answers a dismissive objection with theological reasoning.
Evidence Summary
Greek word. Moral and spiritual obtuseness—reckless inconsideration rather than mere intellectual deficiency
Strong's G878
Lexical occurrences 11 verses Greek text appearances 11 times Word forms 6 forms 11 references Verse guides 0 guides
Source Gloss
foolish
Extended definition Source: STEPBible TBESG + Abbott-Smith
Moral and spiritual obtuseness—reckless inconsideration rather than mere intellectual deficiency
(φρήν), [in LXX for כְּסִיל, נָבָל, etc. ;] without reason, senseless, foolish, expressing "want of mental sanity and sobriety, a reckless and inconsiderate habit of mind" (Hort; cf. MM, see word): Luk.11:40 12:20, Rom.2:20, 1Co.15:36, 2Co.11:16 12:6 12:11, 1Pe.2:15; opposite to φρόνιμος, 2Co.11:19; to συνιέντες, Eph.2:17.
Greek Text Appearances
Textus Receptus witness, full corpus Greek token appearances from Scrivener 1894 Textus Receptus in the full New Testament corpus.
11 Greek text appearances shown. Linked morphology labels have verse guides.
Luke 11:40 Adjective Plural Masculine
ἄφρονες, afronev
senseless, foolish, inconsiderate
Read verse Luke 12:20 Adjective Singular Masculine
Ἄφρον, afron
senseless, foolish, inconsiderate
Read verse Romans 2:20 Adjective Genitive Plural Masculine
ἀφρόνων, afronwn
senseless, foolish, inconsiderate
Read verse 1 Corinthians 15:36 Adjective Singular Masculine
ἄφρον, afron
senseless, foolish, inconsiderate
Read verse 2 Corinthians 11:16 Adjective Accusative Singular Masculine
ἄφρονα afrona
senseless, foolish, inconsiderate
Read verse 2 Corinthians 11:16 Adjective Accusative Singular Masculine
ἄφρονα afrona
senseless, foolish, inconsiderate
Read verse 2 Corinthians 11:19 Adjective Genitive Plural Masculine
ἀφρόνων, afronwn
senseless, foolish, inconsiderate
Read verse 2 Corinthians 12:6 Adjective Nominative Singular Masculine
ἄφρων· afrwn
senseless, foolish, inconsiderate
Read verse 2 Corinthians 12:11 Adjective Nominative Singular Masculine
ἄφρων afrwn
senseless, foolish, inconsiderate
Read verse Ephesians 5:17 Adjective Nominative Plural Masculine
ἄφρονες, afronev
senseless, foolish, inconsiderate
Read verse 1 Peter 2:15 Adjective Genitive Plural Masculine
ἀφρόνων afronwn
senseless, foolish, inconsiderate
Read verseFull New Testament corpus: 260 chapters, 7,957 verses, 140,628 tokens. Data source: honza/textus-receptus (data only), with authority check against byztxt/greektext-textus-receptus.
Grammatical Forms
How this word appears across different grammatical cases and numbers.
This word appears as a noun across 6 case and number patterns. The form changes show how the word functions in a sentence; they do not change the basic lexical meaning by themselves.
Form patterns 6 Aligned forms 11 Case pattern Genitive (3) Number pattern Singular (6)
Verse guides are not available for this word yet, so verse references remain plain evidence markers.
Nominative · Singular · Masculine 2 Cor 12:6 · 2 Cor 12:11 2×
Nominative · Plural · Masculine Eph 5:17 1×
Genitive · Plural · Masculine Rom 2:20 · 2 Cor 11:19 · 1 Pet 2:15 3×
Accusative · Singular · Masculine 2 Cor 11:16 2×
Vocative · Singular · Masculine Luke 12:20 · 1 Cor 15:36 2×
Vocative · Plural · Masculine Luke 11:40 1×
Selected Scripture Witness
Selected passage-level study witnesses for this word. This section is not the full occurrence list.
Witnesses
Luke 12:13–21 ἀφρόνων áphrōn
Fool
Showing 1 selected witness from 11 lexical occurrence verses.
Word Origins
ἄφρων is built from these roots:
+ φρήν G5424
Part of These Phrases
Compound and idiomatic phrases that include this word. Follow a link to study the phrase and how its parts work together.
For the Preacher and Teacher
Paul's sharp language is purposeful rather than abusive. The resurrection skeptic is called foolish because the objection excludes the Creator's power and ignores patterns of death and transformed life already visible in creation. The Ephesians are warned against folly because careless living fails to discern the Lord's will in evil days. In 2 Corinthians, Paul labels the whole boasting exercise foolish even while using it to unmask leaders who exploit the church and to redirect honor toward apostolic weakness.
Teachers should preserve that argumentative precision. Calling people fools because they irritate us or lack our education contradicts the pastoral restraint Scripture requires. Yet avoiding every strong moral category can also blunt the text. Ἄφρων names judgment detached from God, resurrection, truth, or obedient wisdom. The remedy is not mere intelligence but renewed understanding under the Lordship of Christ.
Anchor passage
2Cor.11.16
Doctrinal connections
- 2 Corinthians 11:1-12:10, foolish boasting and power perfected in weakness
- 1 Corinthians 15:35-49, resurrection answered through God's creative power
- Ephesians 5:15-21, wise walking and understanding the Lord's will
- Psalm 14:1-7, folly that denies God in practice
- Proverbs 12:15-16, folly, counsel, and restrained response
- Luke 12:13-21, the rich fool and a life not rich toward God
Ἄφρων combines the privative prefix with the φρον- family of thought and practical judgment. It describes the senseless or undiscerning person. Its nuance overlaps with μωρός but is not identical; context often highlights lack of considered understanding.
From Old to New Testament
Wisdom literature defines folly morally as life resistant to God's fear and instruction. Jesus exposes the fool who plans without reference to God. Paul applies the category to resurrection unbelief, careless living, and worldly boasting under the cross.
Sources
MorphGNT Strong's Dictionary XML — CC0 1.0 Public Domain
Open Scriptures Hebrew Bible (morphhb/OSHB) — CC BY 4.0
Open Scriptures Hebrew Lexicon — CC BY 4.0
Berean Standard Bible (BSB) source-word alignment - CC0 Public Domain