Word Summary
aphrōn: without reason, foolish
Original Word: ἄφρων
Transliteration: aphrōn
Phonetic Spelling: (af'-rone)
Part of Speech: Adjective
Short Definition: without reason, foolish
Meaning: without reason, foolish
Strong's Concordance
foolish, unwise.

From a (as a negative particle) and phren; properly, mindless, i.e. Stupid, (by implication) ignorant, (specially) egotistic, (practically) rash, or (morally) unbelieving -- fool(-ish), unwise.

see GREEK a

see GREEK phren

Thayer's Greek Lexicon
STRONGS NT 878: ἄφρων

ἄφρων, ἀφρωνος, , , Ἄφρον, τό (from the alpha privative and φρήν, cf. εὔφρων, σώφρων) (from Homer down), properly, without reason ((εἴδωλα, Xenophon, mem. 1, 4, 4); of beasts, ibid. 1, 4, 14), senseless, foolish, stupid; without refection or intelligence, acting rashly: Luke 11:40; Luke 12:20; Romans 2:20; 1 Corinthians 15:36; 2 Corinthians 11:16, 19 (opposed to φρόνιμος, as in Proverbs 11:29); 2 Corinthians 12:6, 11; Ephesians 5:17 (opposed to συνιέντες); 1 Peter 2:15. (A strong term; cf. Schmidt, chapter 147 § 17.)