G0261
ἀμαθής
ignorant
ἀμαθής, -ές (μανθάνω), [in Sm.: Psa.49:11 * ;] unlearned, ignorant: 2Pe.3:16 (on the rareness of this word, see MM, VGT, see word).† (AS)
Full Thayer's lexicon entry
ἀμαθής — amathḗs
ἀμαθής, (ές, genitive (ους (μανθάνω, whence ἔμαθον, τό μάθος, cf. ἀληθής), unlearned, ignorant: 2Pe 3:16. (In Greek writings from Herodotus down.)
1 occurrence