FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

antagonizomai ἀνταγωνίζομαι — an-tag-o-nid'-zom-ahee — from 473 and 75; to struggle against (figuratively) ("antagonize"):--strive against.

see GREEK for 473

see GREEK for 75