game fishEnglishOxford New American Dictionarygame fish /ˈɡām ˌfiSH, ˈɡeɪm ˌfɪʃ / (also gamefish /ˈɡāmˌfiSH/) ▸ noun (plural same) a fish caught by anglers for sport, especially (in fresh water) salmon and trout and (in the sea) billfish, shark, bass, and many members of the mackerel family: I longed to try for some of the bigger game fish.