δυσδιάλυτος
From LSJ
Ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → Life is not worth living if you do not have at least one friend.
English (LSJ)
ον,
A hard to dissolve, Arist.Pr.870b31 (Comp.): σχῆμα τῆς τάξεως Plb.1.26.16. 2 hard to digest, Philotim. ap. Ath.2.53f, Gal.16.760. II hard to reconcile, Arist.EN1126a20.