Security Industry Vocabulary

adjective describing the state of being engaged in work or official responsibilities

preposition indicating the location or position of being engaged in work or official responsibilities

• The police officer is on duty tonight patrolling the streets.
• I saw the security guard on duty at the mall yesterday.
• My friend who's a nurse is on duty at the hospital today.
• As a parent, you are always on duty when it comes to taking care of your children.

noun a police officer who patrols a specific area or jurisdiction

• The patrolman diligently patrolled the streets to ensure the safety of the neighborhood.
• The patrolman cruised around the block to keep an eye on things.
• The patrolman was out there doing his rounds like a boss.
• The patrolman was like a guardian angel, watching over the city streets.