This root form (lemma) is used in 3 different forms in the NT: ἀντίδικος (NMS), ἀντιδίκου (GMS), ἀντιδίκῳ (DMS).
It is glossed in 1 way: ‘opponent’.
OET MAT 5:25 Greek word=ἀντιδίκῳ (antidikōi) Morphology=DMS English gloss=‘opponent’ SR GNT MAT 5:25 word 4
OET MAT 5:25 Greek word=ἀντίδικος (antidikos) Morphology=NMS English gloss=‘opponent’ SR GNT MAT 5:25 word 22
OET LUKE 12:58 Greek word=ἀντιδίκου (antidikou) Morphology=GMS English gloss=‘opponent’ SR GNT LUKE 12:58 word 6
OET LUKE 18:3 Greek word=ἀντιδίκου (antidikou) Morphology=GMS English gloss=‘opponent’ SR GNT LUKE 18:3 word 17
OET 1PET 5:8 Greek word=ἀντίδικος (antidikos) Morphology=NMS English gloss=‘opponent’ SR GNT 1PET 5:8 word 5