A pellet gun is a type of air gun that fires small pellets or BBs. There are many synonyms for the word pellet gun, including air rifle, air pistol, BB gun, pellet rifle, and pellet pistol. These guns are often used for recreational shooting, hunting, and pest control. Some types of pellet guns are powered by spring-piston, gas piston, or compressed air. They come in a variety of sizes and styles, from handheld pistols to full-sized rifles. Whatever your preferred synonym, pellet guns are a popular and fun way to enjoy shooting sports.