ἀκαταγώνιστος
From LSJ
καὶ ποιήσας φραγέλλιον ἐκ σχοινίων πάντας ἐξέβαλεν ἐκ τοῦ ἱεροῦ, τά τε πρόβατα καὶ τοὺς βόας → And having made a whip out of cords he drove all from the temple sheep and cattle
English (LSJ)
ον,
A unconquerable, D.S.17.26, Olymp. Hist.p.451 D., Procl. in Cra. p.112P.; epith. of the Stoic sage, Stoic.1.53.
Greek (Liddell-Scott)
ἀκαταγώνιστος: -ον, ἀκατανίκητος, Διόδ. 17. 26.