ἀνατρεπτέον

καλῶς δρῶν ἐξαμαρτεῖν μᾶλλον ἢ νικᾶν κακῶς → I would prefer to fail with honor than to win by evil | I prefer to fail by acting rightly rather than win by acting wrongly | Better fail by doing right, than win by doing wrong (Sophocles, Philoctetes 95)

Click links below for lookup in third sources:

Full diacritics: ἀνατρεπτέον	Medium diacritics: ἀνατρεπτέον	Low diacritics: ανατρεπτέον	Capitals: ΑΝΑΤΡΕΠΤΕΟΝ
Transliteration A: anatreptéon	Transliteration B: anatrepteon	Transliteration C: anatrepteon	Beta Code: a)natrepte/on

English (LSJ)

A one must overthrow, refute, Luc.Herm.49, Gal.4.620. 2 one must go back, return, Orib.Fr.142.

ἀνατρεπτέον: ῥηματ. ἐπίθ. τοῦ ἀνατρέπω, πρέπει τις νὰ ἀνατρέψῃ, νὰ ἀναιρέσῃ, ἀνατρεπτέον ἐκεῖνα τὰ ἤδη ὡμολογημένα Λουκ. Ἐρμότ. 49.