Quick Definition
unskilled, unwise, foolish
Strong's Definition
unwise
Derivation: from G1 (Α) (as a negative particle) and G4680 (σοφός);
KJV Usage: fool
Thayer's Greek Lexicon
ἄσοφος, ἀσοφον (σοφός), unwise, foolish: Eph_5:15. (From Theognis down.)
Mounce Concise Greek Dictionary
ἄσοφος asophos 1x
unwise; destitute of Christian wisdom, Eph_5:15
Abbott-Smith Greek Lexicon
ἄ -σοθος , -ον ,
[in LXX : Pro_9:8 ΰ 2 Α * ;]
unwise, foolish: Eph_5:15 .†
Moulton & Milligan — Vocabulary of the Greek NT
ἄσοφος [page 85]
ἄσοφος occurs in P Ryl II. 62 .12 (iii/A.D.), a translation of an unknown Latin literary work : δύναμαι χαρίσασθαι καὶ πένητι [πλοῦ ]τ̣ον καὶ ἄσοφον ἀρετῆς στεφανῶσαι unskilled in wisdom, unless we should drop one ς and read ἀρετῃ crown with virtue.
Liddell-Scott — Intermediate Greek Lexicon
ἄσοφος "unwise, foolish, silly", Theogn.
STEPBible — Tyndale Abridged Greek Lexicon
ἄ-σοθος, -ον
[in LXX: Pro.9:8 א2 Α * ;]
unwise, foolish: Eph.5:15.†
(AS)