δυσβάστακτος
From LSJ
Περὶ τοῦ ἐπέκεινα τοῦ νοῦ κατὰ μὲν νόησιν πολλὰ λέγεται, θεωρεῖται δὲ ἀνοησίᾳ κρείττονι νοήσεως → On the subject of that which is beyond intellect, many statements are made on the basis of intellection, but it may be immediately cognised only by means of a non-intellection superior to intellection
English (LSJ)
ον,
A intolerable, grievous to be borne, LXX Pr. 27.3, Ev.Matt.23.4, Plu.2.915f, etc.; of persons, Antisth. ap. Ph.2.449.
German (Pape)
[Seite 677] schwer zu tragen; Plut. qu. nat. 16; N. T. u. a. Sp.