security guard

American  

noun

1. a uniformed guard employed by a bank, airport, office building, etc., to maintain security.

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security guard British  

noun

1. a person employed to protect buildings, people, etc, and to collect and deliver large sums of money

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Etymology

Origin of security guard

First recorded in 1955–60

Example Sentences

Leroy, who left the military to become a security guard, told police he thought he had been acting all the time on behalf of the government.

From Barron's • Mar. 30, 2026

“So 100% this security guard was not a security guard of the hotel, that’s what I can say,” she said.

From Los Angeles Times • Mar. 26, 2026

But the pop singer said she did not send a security guard to berate them.

From Los Angeles Times • Mar. 26, 2026

They developed an understanding: William would keep an eye out, an unofficial security guard of sorts.

From Slate • Mar. 25, 2026

“Hi,” Emily said when they approached the security guard.

From "Book Scavenger" by Jennifer Chambliss Bertman

Related Words

• caretaker
• custodian
• patrolman
• policeman
• warden