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Synonyms

security guard

American  

noun

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

security guard British  

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of security guard

First recorded in 1955–60

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Eventually he finds a security guard and asks, “How fast can you get the cops here?”

From Los Angeles Times • May 1, 2026

Five high school students and an adult security guard were taken to hospital on Thursday, Tacoma Fire Department confirmed, adding that all were in stable condition.

From BBC • May 1, 2026

Pro-Becerra attendees grabbed the fliers and told the men to go away, prompting a security guard to intervene.

From Los Angeles Times • Apr. 20, 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

From the passenger seat emerges what looks like a security guard.

From "Dry" by Neal Shusterman and Jarrod Shusterman

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.