ἀνυπέρεκτος
From LSJ
τὸ ἀγαθὸν αἱρετόν· τὸ δ' αἱρετὸν ἀρεστόν· τὸ δ' ἀρεστὸν ἐπαινετόν· τὸ δ' ἐπαινετὸν καλόν → what is good is chosen, what is chosen is approved, what is approved is admired, what is admired is beautiful
English (LSJ)
ον,
A unsurpassable, ἀκρότης Phld.D.3.5.
Spanish (DGE)
-ον insuperable, ἀκρότης Phld.D.3.5.27.