невежественный

From LSJ

μόνον τὸ καλὸν ἀγαθὸν εἶναιonly the beautiful is the good, only the morally beautiful is good

Source

Russian > Greek

ἄγνωστος, σκαιός, ἀπαίδευτος, ἀμαθής, ἄτεχνος, ἄμουσος