ἀσυνύπαρκτος
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 incapable of coexisting, A.D.Conj.221.8, Alex.Aphr.Quaest.97.28, S.E.P.2.202, Simp.in Cat.381.13.
German (Pape)
[Seite 381] nicht zusammen, neben einander bestehend, Sext. Emp.