Dictionary entry

ἀφροσύνη

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

ἀφροσύνη, -ης, ἡ

(< ἄφρων), [in LXX for אִוֶּלֶת, נְבָלָה, etc.;]

foolishness: Mk 7:22, II Co 11:1, 17, 21.†