infamously
From LSJ
ἀνὴρ ἀχάριστος μὴ νομιζέσθω φίλος → an ungrateful man should not be considered a friend
ἀνὴρ ἀχάριστος μὴ νομιζέσθω φίλος → an ungrateful man should not be considered a friend
adv.
P. and V. αἰσχρῶς, κακῶς, ἀναξίως, P. ἐπονειδίστως, Ar. and P. μιαρῶς, V. ἀνοσίως.