A.suffer in turn, κακὰ ἀ. suffer evil for evil, Antipho 4.2.3; “δεσμούς” X.Hier.7.12; “τί ἂν δράσειαν αὐτούς, ὅ τι οὐκ ἂν μεῖζον ἀντιπάθοιεν;” Th.6.35; δρῶν ἀντιπάσχω χρηστά I receive good for good done, S.Ph.584; “καλὸν τὸ εὖ ποιεῖν μὴ ἵνα ἀντιπάθῃ” Arist.EN1163a1; “ἀ. ἀντί τινος” Th.3.61: abs., suffer for one's acts, X.An.2.5.17.
b. to be affected in a contrary manner, “ἡ ψυχὴ τοῖς σώμασιν ὡς ἀσώματος ἀντιπέπονθε” Sallust.8; opp. συντρέχειν, Alex.Aphr.inTop.437.16.
2. “τὸ ἀντιπεπονθός” requital, Arist.EN1132b21 (Pythag.); of persons, εὔνοιαν ἐν ἀντιπεπονθόσι φιλίαν εἶναι ib.1155b33.
4. to be reciprocally proportional, Euc.6.14, al.; -πεπονθότα σχήματα figures having the sides about the equal angles reciprocally proportional, Id.6 Def.2, cf. Hero*Deff. 118. Adv. “-πεπονθότως” reciprocally, Archim.Aequil.1.6,7, al., cf. Iamb.in Nic.p.11 P.
III. to be of opposite nature to, “τινί” Thphr.Lap. 14.
V. to be adversely affected, Agathin. ap. Orib.10.7.11, Archig. ap.eund.8.2.15.