ἄφρων

áphrōn

G878 substantive adjective

SILEX Entry

Definition

Lacking understanding or good judgment; senseless, foolish. The term denotes one who fails to act prudently or thoughtfully, sometimes carrying the connotation of moral or spiritual short-sightedness, but its primary focus is on imprudence, lack of reason, or failure to perceive what is appropriate.

Semantic Range

foolish, lacking sense or judgment, thoughtless, imprudent, senseless, lacking discernment, rash, lacking understanding or insight

Root / Etymology

The word is formed from the alpha privative (ἀ-, denoting negation) and the stem φρήν (mind, understanding, reason), thus literally 'without sense' or 'lacking reason.'

Historical & Contextual Notes

In classical Greek, ἄφρων is widely used to designate a person who acts without consideration, wisdom, or propriety, often contrasted with σοφός (wise) or φρόνιμος (sensible). In the Septuagint, it often translates Hebrew words for 'fool' (e.g., כְּסִיל [kesil], נָבָל [naval]), denoting both lack of discernment and moral deficiency. In the New Testament, ἄφρων continues to express imprudence or foolishness, sometimes with an emphasis on ethical dimension, but not always implying wickedness — more frequently, it describes one lacking prudent judgment or failing to grasp the consequences of one’s actions (Luke 12:20, Romans 2:20). English translations often use 'fool' or 'foolish,' but these may lack the nuance of lack of practical sense or thoughtfulness. The term can refer as much to rash, imprudent behavior as to lack of intelligence or insight, and occasionally to spiritual blindness or arrogance.

Translation Consistency

primary "foolish" 7 occurrences

ἄφρων primarily denotes lack of sense or judgment (imprudence, thoughtlessness). “Foolish” is the most natural, commonly used English rendering that covers the typical adjectival and substantive uses (e.g., “a foolish one,” “foolish behavior”), and it fits the common semantic range better than more formal alternatives like “senseless.”

Alternatives (4 occurrences):
"senseless ones" (2x) "senseless" (2x)

Original Strong's Gloss (1890)

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.

Root Family

ἄφρων (aphrōn) — without understanding, senseless, lacking judgment, imprudent

Root φρῆν to perceive, to think, to understand

Word Forms

4 distinct forms

SIDANCE Surface Transliteration Morphology Common SIBI-P1 SIBI-P2 Occurrences
G878-01 ἄφρων aphron ADJ.S VOC M SG a fool O senseless one O foolish one 4
G878-04 ἀφρόνων aphronon ADJ.S GEN M PL foolish of the senseless of the foolish 3
G878-02 ἄφρονα aphrona ADJ.P ACC M SG foolish senseless man foolish 2
G878-03 ἄφρονες aphrones ADJ.S VOC M PL foolish senseless ones senseless ones 2

Occurrences in Scripture

11 occurrences

SIDANCE Reference Word Transliteration Morphology Common SIBI-P1 SIBI-P2
G878-03 Luke 11:40 ἄφρονες aphrones ADJ.S VOC M PL You foolish ones senseless ones senseless ones
G878-01 Luke 12:20 ἄφρων aphron ADJ.S VOC M SG fool O senseless one O foolish one
G878-04 Romans 2:20 ἀφρόνων aphronon ADJ.S GEN M PL of the foolish of the senseless of the foolish
G878-01 1 Corinthians 15:36 ἄφρων aphron ADJ.S VOC M SG Fool! O senseless one O foolish one
G878-02 2 Corinthians 11:16 ἄφρονα aphrona ADJ.P ACC M SG foolish senseless man foolish
G878-02 2 Corinthians 11:16 ἄφρονα aphrona-2 ADJ.S ACC M SG foolish senseless man foolish
G878-04 2 Corinthians 11:19 ἀφρόνων aphronon ADJ.S GEN M PL fools of the senseless of the foolish
G878-01 2 Corinthians 12:6 ἄφρων aphron ADJ.P NOM M SG a fool O senseless one senseless
G878-01 2 Corinthians 12:11 ἄφρων aphron ADJ.P NOM M SG a fool O senseless one senseless
G878-03 Ephesians 5:17 ἄφρονες aphrones ADJ.P NOM M PL foolish senseless ones senseless ones