ἀδιάλλακτος
From LSJ
κρεῖττον εἶναι φιλοσόφως ἀποθανεῖν ἢ ἀφιλοσόφως ζῆν → that it is better to die in manner befitting a philosopher than to live unphilosophically
English (LSJ)
ον,
A irreconcilable, τὰ πρὸς ὑμᾶς ἀ. ὑπάρχει my relation to you admits no reconciliation, D.Ep.2.21, cf.24.8, D.Chr.38.17, etc. Adv. -τως, ἔχειν πρός τινα D.H.6.56, cf. Plu.Brut.45.