ἀχαρίτωτος

From LSJ

μέγα βιβλίον ἴσον τῷ μεγάλῳ κακῷ → a big book is the same as a big bad | a big book is the same as a big pain | a big book is a big evil | big book, big bad

Source

Spanish (DGE)

-ον desagradable, Tz.Comm.Ar.3.1134.10.