1. to exchange one thing with another, τί τινι (Euripides); τὴν ἀξίωσιν τῶν ὀνομάτων ἀντ. to change the signification of the names, (Thucydides) 2. Mid. to take in exchange , τί τινος one thing for another, (Euripides); τι ἀντί τινος (Demosthenes Orator); θάνατον ἀνταλλάξεται shall receive death in exchange , i. e. as a punishment, (Euripides):—;Pass., ἀντηλλαγμένος τοῦ ἑκατέρων τρόπου having made an interchange of each other's custom, i. e. having each adopted the other's way, (Thucydides) (ML)