δύσθλαστος
From LSJ
καλῶς δρῶν ἐξαμαρτεῖν μᾶλλον ἢ νικᾶν κακῶς → I would prefer to fail with honor than to win by evil | I prefer to fail by acting rightly rather than win by acting wrongly | Better fail by doing right, than win by doing wrong (Sophocles, Philoctetes 95)
English (LSJ)
ον,
A hard to crush, tough, Thphr.HP8.4.1 (Comp.), Gal.UP11.17.
German (Pape)
[Seite 681] schwer zu zerbrechen, Theophr.
Greek (Liddell-Scott)
δύσθλαστος: -ον, ὃν δύσκολον εἶνε νὰ θλάσῃ τις, δύσθραυστος, Θεόφρ. Ἱ. Φ. 8. 4, 1, ἐν τῷ συγκρ.
Spanish (DGE)
-ον
difícil de aplastar, duro καυλός Thphr.HP 8.4.1, del tejido cartilaginoso, Gal.3.919, cf. Olymp.in Mete.326.19, 328.22.