δυσεξέλεγκτος
From LSJ
ἀσκέειν, περὶ τὰ νουσήματα, δύο, ὠφελέειν, ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm
English (LSJ)
ον,
A hard to refute, Pl.Phd.85c (Sup.), Ptol.Tetr.164. II hard to discover, φάρμακα D.H.3.5.
