Quick Definition
ἀνόητος, ον Adj foolish, thoughtless
Strong's Definition
from 1 (as a negative particle) and a derivative of 3539; unintelligent; by implication, sensual
KJV Usage: fool(-ish), unwise
UBS Dictionary of the Greek New Testament
adjc. | -ον | ἀ- + νοέω
32.50 · Understand · Lack of Capacity for Understanding
foolish, stupid, without understanding pertaining to unwillingness to use one’s mental faculties in order to understand As in the case of ἀσύνετος (32.49), the meaning of ἀνόητος is that people presumably would not use their capacity for understanding and as a result, thought and behaved foolishly. ἀνόητος does not imply the mental state of being an idiot or imbecile.
LUK 24:25 · ROM 1:14 · GAL 3:1 · GAL 3:3 · 1TI 6:9 · TIT 3:3
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
ἀ-νόητος, -ov, (νοητός fr. νοέω) ; 1. not understood, unintelligible ; 2. generally active, not understanding, unwise, foolish: Ro.i.14 (opp. to σοφοί) ; Lk. xxiv. 25; Gal. iii. 1, 3; Tit. iii. 3. ἐπιθυμίαι ἀνόητοι, 1 Tim. vi. 9. (Proy. xvii. 28; Ps. xlviii. (xlix.) 13; and often in Attic writ.; [ef. Trench § lxxv.; Ellic. on Gal. iii. 1; Schmidt ch.147 § 20].)
Mounce Concise Greek Dictionary
ἀνόητος anoētos 6x
inconsiderate, unintelligent, unwise; Lk. 24:25; Rom. 1:14; Gal. 3:1, 3; Tit. 3:3; brutish, 1 Tim. 6:9
Abbott-Smith Greek Lexicon
ἀ-νόητος, -ον
(ἀ- neg., νοητός; < νοέω), [in LXX: Pr 17:28 (אֱוִיל), Si 42:8, al.;]
not thought on, not understood (Hom., Plat.).
not understanding, foolish (Hdt., al., LXX): Lk 24:25, Ro 1:14, Ga 3:1, 3, I Ti 6:9, Tit 3:3 (Cremer, 438, 790; MM, VGT, s.v.).†
SYN.: ἀσύνετος (v. Tr., Syn., § lxxv).
Moulton & Milligan — Vocabulary of the Greek NT
ἀνόητος. The adv. is supplied by the editors in the Hadrian letter, P Fay 194 (ii/A.D.), οὔτε ἀνοήτως ἀπαλλάσσομαι τοῦ > , ανοίγω βίο[υ]. It is current in MGr, meaning ‘ unreasonable ” (Thumb).
Liddell-Scott-Jones — Greek-English Lexicon
ἀνόητος (anoētos) — foolish. ἀνό-ητος, ον, not thought on, unheard of, ἄφραστ᾽ ἠδ᾽ ἀνόητα[Refs]
2. not within the province of thought, νοήματα ὄντα ἀνόητα εἶναι[Refs 5th c.BC+]; not the object of thought, unthinkable, [Refs 3rd c.AD+]adverb -τως without discursive thought, of vision, βλέψαι ἀ.[Refs]
II. active, not understanding, unintelligent, senseless, silly, [Refs 5th c.BC+]; ὦ ἀνόητοι oh fools! [Refs 5th c.BC+]; opposed to προνοητικός, [Refs 5th c.BC+]: comparative -ότερος[Refs 2nd c.AD+]; τὸ ἀ., opposed to τὸ νοῦν ἔχον, [Refs 5th c.BC+]
II. b with genitive, not understanding, θεοῦ[Refs 2nd c.AD+]
II.2. of acts, thoughts, etc., ἀ. γνῶμαι[Refs 5th c.BC+]; οἴνου.. καὶ τῶν ἄλλων ἀνοήτων and all other follies, [Refs]
II.2. b without mind, ἀνόητα καὶ ἄνευ ζωῆς[Refs 3rd c.AD+]
III. adverb -τως[Refs 5th c.BC+]: superlative -ότατα[Refs 2nd c.AD+]:—also ἀνο-ητεί, [Refs]