blue fish Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a predatory bluish marine percoid food and game fish Pomatomus saltatrix related to the horse mackerel family Pomatomidae Example Sentence He caught a blue fish on his line. Synonyms predatory game fish; snapper; marine fish Antonyms bird Hear It! Say It! Write It! blue fish Switch to cursive Start Share with your friends: