ἀσυλλόγιστος
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 non-syllogistic, formally or materially invalid, χρῆσις Arist.APo.91b23, cf. Rh.1357b24, Phld. Rh.2.24S.; irrelevant, ἀ. πρὸς τὸ προκείμενον Anon.in SE16.33. 2 unattainable by reasoning, incalculable, Men.355.1, J.AJ4.7.1, al., Plu.2.24b,580d. II Act., not reasoning justly, unreasoning, Arist. SE167b35, cf. Plb.12.3.2; ἀσυλλόγιστόν ἐστιν ἡ πονηρία Men.768: c.gen., not rationalizing, διάθεσις ἀ. τινῶν Chrysipp.Stoic.3.117; ἀ.τοῦ συμφέροντος not calculating it, J.AJ9.12.3; τοῦ χρησίμου Porph.Abst. 1.7. Adv.-τως, λέγειν Arist.APo.77b40; ἀ. ἔχειν τινός Plu. Caes.59.