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

He added that the security guard involved in the incident has "confirmed publicly that he was representing another artist at the hotel at the time".

From BBC • Apr. 13, 2026

A security guard told her the agency wasn’t doing in-person interviews, so she headed to a food bank instead.

From Salon • Apr. 9, 2026

Jamshidi has family members, including his brother—who worked in a high-risk post as a security guard for the U.S. consulate in Herat, Afghanistan, for years—his sister-in-law, niece and nephew stuck in Camp As Sayliyah.

From The Wall Street Journal • Apr. 7, 2026

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

I’m really curious about his efficacy as a hospital security guard.

From "It’s Kind of a Funny Story" by Ned Vizzini

Related Words

• caretaker
• custodian
• patrolman
• policeman
• warden