active shooter

[ ak-tiv shoo-ter ]
/ ˈæk tɪv ˈʃu tər /

noun

a person who is presently using a gun to shoot people in a confined and populated area.

Origin of active shooter

First recorded in 1965–70

Words nearby active shooter

active principle, active reason, active repressor, active safety, active service, active shooter, active site, active splint, active sun, active transport, active vocabulary