Pronunciation: /ˈæk.tɪv ˈʃu.tər/
noun A person who is actively engaged in killing or attempting to kill people in a confined and populated area
A1 An active shooter is someone who is shooting a gun in a public place.
A2 During an active shooter situation, it is important to hide and stay quiet.
B1 Law enforcement agencies train regularly to respond to active shooter incidents.
B2 Active shooter drills are conducted in schools to prepare students and staff for emergencies.
C1 The police apprehended the active shooter before anyone was seriously injured.
C2 The SWAT team was called in to neutralize the active shooter in the office building.
adjective Describing someone or something that is engaged in or likely to engage in violent behavior
A1 In an emergency situation, it is important to know what to do if there is an active shooter.
A2 During a lockdown drill, students practice how to respond to an active shooter scenario.
B1 Law enforcement agencies have specific protocols for dealing with an active shooter situation.
B2 The school implemented new security measures to prevent an active shooter incident.
C1 Crisis negotiators are trained to handle high-stress situations like an active shooter standoff.
C2 The SWAT team was called in to neutralize the active shooter and rescue hostages.
formal The police are currently responding to reports of an active shooter in the area.
informal There's news of an active shooter nearby, stay safe!
slang Dude, did you hear about the active shooter situation happening right now?
figurative In the world of cybersecurity, an active shooter can be compared to a malicious hacker trying to breach a system.
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