projectiles Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. something as a bullet or rocket thrown or driven forward especially from or for use as a weapon Example Sentence Rockets are projectiles driven by the forward thrust of hot gases. Synonyms bullet; shell; missile; ammunition Antonyms bed Hear It! Say It! Write It! projectiles Switch to cursive Start Share with your friends: