ἀνταγορεύω
From LSJ
Ὁ δὲ μὴ δυνάμενος κοινωνεῖν ἢ μηδὲν δεόμενος δι' αὐτάρκειαν οὐθὲν μέρος πόλεως, ὥστε ἢ θηρίον ἢ θεός → Whoever is incapable of associating, or has no need to because of self-sufficiency, is no part of a state; so he is either a beast or a god
English (LSJ)
A speak against, reply, ἀντᾱγόρευσεν Pi.P.4.156. II gainsay, contradict, τοῖς ἄρχουσιν Ar.Ra.1072.
German (Pape)
[Seite 243] dagegen sprechen, antworten, Pind. P. 4, 156; widersprechen, Ar. Ran. 1070.