ἀκατάβλητος
From LSJ
οἱ βάρβαροι γὰρ ἄνδρας ἡγοῦνται μόνους τοὺς πλεῖστα δυναμένους καταφαγεῖν καὶ πιεῖν → for great feeders and heavy drinkers are alone esteemed as men by the barbarians
English (LSJ)
ον,
A irrefragable, λόγος Ar.Nu.1229. II not to be thrown down, πύργοι Sch.E.Hec.1.
Greek (Liddell-Scott)
ἀκατάβλητος: -ον, ὁ μὴ καταβαλλόμενος, λόγος, Ἀριστοφ. Νεφ. 1229.