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G878

ἄφρων

áphrōn /af'-rone/ Ask about this word
from Α (as a negative particle) and φρήν · properly, mindless, i.e. stupid, (by implication) ignorant, (specially) egotistic, (practically) rash, or (morally) unbelieving
fool(-ish), unwise.

Word Study

In depth

A plain-language study of áphrōn — the range of meaning it carries, how Scripture actually uses it, and where it points. Written for readers who don’t know the original language.

Core Meaning & Semantic Range

The Greek word áphrōn, represented by G878, describes a state of being mindless. It appears 11 times across 10 unique verses. Its definition extends beyond simple stupidity to encompass being ignorant, egotistic, rash, or morally unbelieving. The term often signifies a spiritual foolishness rather than a lack of intellectual capacity.

Biblical Occurrences & Contextual Analysis

In scripture, G878 is used to identify a dangerous spiritual condition. God rebukes the wealthy man who hoards earthly goods as a fool G878, reminding him of his mortality Luke 12:20. Jesus applies the same label to those who meticulously clean the outside while remaining impure within Luke 11:40. Paul explicitly contrasts being unwise G878 with the believer's duty of understanding what the will of the Lord is Ephesians 5:17. Furthermore, the good conduct of believers is intended to "put to silence the ignorance of foolish men" 1 Peter 2:15.

Related Words & Concepts

Several related words help clarify the meaning of foolishness:

  • G5429 phrónimos (thoughtful, i.e. sagacious or discreet): This term is presented as the opposite of áphrōn. Paul notes that the Corinthians, who consider themselves wise G5429, suffer fools G878 gladly 2 Corinthians 11:19.
  • G4920 syníēmi (to put together, i.e. (mentally) to comprehend): Being unwise is the failure to comprehend spiritual truth. Believers are instructed not to be unwise G878 but rather understanding G4920 of God's will Ephesians 5:17.
  • G56 agnōsía (ignorance (properly, the state)): Foolishness is directly connected to a state of spiritual ignorance. Peter writes that God's will is for believers to silence the ignorance G56 of foolish G878 men through their good deeds 1 Peter 2:15.
  • G3810 paideutḗs (a trainer, i.e. teacher or (by implication) discipliner): Foolishness is presented as a condition that requires correction. One who trusts in the law sees himself as an instructor G3810 of the foolish G878 Romans 2:20.

Theological Significance

The theological weight of G878 is significant, highlighting several key concepts:

  • Moral and Spiritual Blindness: The term consistently points to a failure to see spiritual realities. This is seen in Jesus calling the Pharisees fools for their focus on external piety Luke 11:40 and the rich man a fool for prioritizing wealth over his soul Luke 12:20.
  • Opposition to God's Will: To be áphrōn is to be out of sync with divine purpose. Believers are commanded not to be unwise G878 but to actively pursue an understanding of God's will, making foolishness the antithesis of a submitted life Ephesians 5:17.
  • A Temporary or Rhetorical Stance: Paul uses the label of fool G878 for himself rhetorically. He claims to have "become a fool in glorying" 2 Corinthians 12:11 and asks to be received "as a fool" so he can boast 2 Corinthians 11:16, demonstrating that the behavior, not just the person, can be described as foolish.
  • A State of Ignorance: The word is linked with a lack of spiritual knowledge. Those who are foolish G878 are characterized by their ignorance G56 1 Peter 2:15, and the law is regarded as an "instructor of the foolish" Romans 2:20.

Summary

In summary, G878 áphrōn is not merely a term for intellectual deficiency but describes a profound state of being "mindless." It characterizes those who are egotistic, rash, and morally or spiritually unbelieving. From the rich man who forgot God Luke 12:20 to the believer commanded to be wise rather than foolish Ephesians 5:17, the word serves as a consistent warning. It highlights the danger of spiritual ignorance and misplaced values, urging a focus on understanding the will of the Lord.

How the KJV Renders It

Translation

Strong’s lists the renderings but not their weight. These are counted from the King James text of the tagged verses — the bar under each is how often the translators actually reached for it. Select one to filter the occurrences below.

Grammatical Forms

Morphology

In the Greek New Testament, this word appears as an adjective across 11 occurrences, inflected in 6 grammatical forms — each row is one form, and the bar is how often it is that form.

  • Genitive Plural Masculine
  • Accusative Singular Masculine
  • Nominative Singular Masculine
  • Vocative Singular Masculine
  • Nominative Plural Masculine
  • Vocative Plural Masculine
Nominative
The subject of the verb.
Genitive
Possession or source — often "of".
Accusative
The direct object of the verb.
Vocative
Direct address — naming who is spoken to.
Singular
One.
Plural
More than one.
Masculine
Masculine grammatical gender.

Related Words

Related

Other entries the study above points to — each one is drawn from a reference it makes. Follow the trail to see how the words connect.

Theographic Context

Context

The people, places, and span of history the verses containing this word touch on — drawn from the theographic tagging of Scripture. Select any name to isolate its verses in the occurrence list.

Biblical Distribution

Distribution

Appears in 10 verses across 6 of the 27 books. Most frequent in 2 Corinthians (4 verses); never once in the other 21.

2
Luke
1
Romans
1
1 Corinthians
4
2 Corinthians
1
Ephesians
1
1 Peter

Every Occurrence

Concordance

Every verse where the word is tagged in the King James text. Filter by book, by the English word the translators chose, or search within the verses.

Sources. Definition and numbering: James Strong, Exhaustive Concordance of the Bible (1890). Morphology: STEPBible / Tyndale House (CC BY). Verse tagging: the King James text keyed to Strong’s numbers. Every count on this page is computed from the tagged corpus, not estimated.