Abbott-Smith Manual Greek Lexicon
ἄνοια (G454)
2 ἄνοια , -ας, ἡ ( ἄ-νοος , without understanding ), [in LXX: Pr 14:8 22:15 ( אִוֶּלֶת ), Wi 15:18 , al.;] folly , foolishness : II Ti 3:9 ; expressed in violent rage (cf. Plat., Tim. , 86B): Lk 6:11 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain