ἀπρόσιτος
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 unapproachable, inaccessible, ὄρη Plb.3.49.7, cf. Str. 1.3.18; φῶς 1 Ep.Ti.6.16; of persons, Cic.Att.5.20.6, cf. Plu.2.68e; καταφυγή D.S.19.96: metaph., λόγοις ἀ. παρρησία Plu.Alc.4; δύναμις τοῦ λόγου Luc.Dem.Enc.32. Adv. -τως Plu.2.45f.