ἀνταγωνίζομαι

English (LSJ)

   I struggle against, prove a match for, τινί, esp. in war, Hdt.5.109, Th.6.72, X.Cyr.1.6.8, etc.; ἀ. ταῖς παρασκεναῖς τινός D.43.81; πρὸς τοὺς βαρβάρους Inscr.Prien.17.15, cf. Ep.Hebr.12.4.    2 generally, struggle, vie with, τινί Th.3.38; περί τινος And.4.2; οἱ ἀνταγωνιζόμενοί τι the parties in a lawsuit, X. Cyr.8.2.27; [οἱ ἐλευθέριοι] οὐκ ἀ. περὶ τῶν χρημάτων Arist.Rh. 1366b8.    3 act a part in rivalry with, τινί Plu.Dem.29.    II as Pass., to be set against, τινί X.Oec.10.12.