Dictionary entry

ἀντίδικος

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

ἀντίδικος, -ον

(< δίκη), [in LXX for רִיב;]

as subst., an opponent in a lawsuit, adversary: Mt 5:25, Lk 12:58 18:3, I Pe 5:8 (Cremer, 696; MM, VGT, s.v.).†