δυσκαταγώνιστος
From LSJ
τὸ λακωνίζειν πολὺ μᾶλλόν ἐστιν φιλοσοφεῖν ἢ φιλογυμναστεῖν → to behave like a Lacedaemonian is much more to love wisdom than to love gymnastics (Plato, Protagoras 342e6)
English (LSJ)
ον,
A hard to overcome, Plb.15.15.8, D.H.3.7; hard to refute, Id.Rh.8.3; τὸ δ. impregnability, Corn.ND20.
German (Pape)
[Seite 682] schwer zu bekämpfen, Pol. 15, 15 u. Sp. Bei Rhet. = schwer zu widerlegen.
Greek (Liddell-Scott)
δυσκατᾰγώνιστος: -ον, ὃν δυσκόλως καταγωνίζεταί τις, δυσκατάβλητος, Πολύβ. 15. 15, 8, κτλ.