ἀναγκάζω ἀνάγκη to force, compel, mostly c. acc. pers. et inf., ἀν. τινὰ ποιεῖσθαι τι, λέγειν, etc., Hdt., etc.:—so Pass., ἠναγκάζοντο ἀμύνεσθαι Hdt.;—without the inf., ἀναγκάζεσθαί τι to be forced to do a thing, Plat., etc.:—also, ἀναγκάζειν τινὰ ἔς τι Thuc. c. acc. pers. only, to constrain by argument, Plat.: Pass., ἠναγκάσθην I was constrained, tortured, Soph.; ἠναγκασμένος, ἀναγκασθείς under compulsion, Thuc. c. acc. rei only, to carry through by force, Eur. c. acc. rei et inf. to prove that a thing is necessarily so and so, Plat.