racecar Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a fast car designed for racing. Example Sentence We watched the racecar zoom past us. More Example Sentences Many fans cheered for the racecar team. Synonyms racer; sports car; speedster Antonyms tricycle Hear It! Say It! Write It! racecar Switch to cursive Start Share with your friends: