- 1 (especially in compounds) a person or weapon that shoots see also peashooter, sharpshooter, six-shooter, straight shooter, troubleshooter
- 2(informal) a gun “You got a shooter?” he asked.
- 3 (used especially in news reports) a person who uses a gun to kill people Five students died and then the shooter killed himself. There was a second shooter involved in the assassination. two high school shooters serving life sentences