ἀποδιοπομπητέον
From LSJ
ὃν οὐ τύπτει λόγος οὐδὲ ῥάβδος → if words don't get through, neither a beating will | if the carrot doesn't work, the stick will not work either | whom words do not strike, neither does the rod
English (LSJ)
A one must reject with abhorrence, Plu.2.73d.
French (Bailly abrégé)
adj. verb. de ἀποδιοπομπέομαι.