δυσπολιόρκητος
From LSJ
Τὸ νικᾶν αὐτὸν αὑτὸν πασῶν νικῶν πρώτη τε καὶ ἀρίστη. Τὸ δὲ ἡττᾶσθαι αὐτὸν ὑφ' ἑαυτοῦ πάντων αἴσχιστόν τε ἅμα καὶ κάκιστον. → Τo conquer yourself is the first and best victory of all, while to be conquered by yourself is of all the most shameful as well as evil
English (LSJ)
ον,
A hard to take by siege, X.HG4.8.5 (Comp.), Plb.5.3.4, J.AJ2.10.2; τὸ δ. Corn.ND20.
German (Pape)
[Seite 687] schwer zu belagern u. einzunehmen; Xen. Hell. 4, 8, 5; Pol. 5, 3 u. Sp.
Greek (Liddell-Scott)
δυσπολιόρκητος: -ον, ὃν δύσκολον εἶνε νὰ κυριεύσῃ τις διὰ πολιορκίας, Ξεν. Ἑλλ. 4. 8, 5, Πολύβ.
French (Bailly abrégé)
ος, ον :
inexpugnable.
Étymologie: δυσ-, πολιορκέω.