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Showing results for security guard. Search instead for security+guard.
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.

A lone security guard pacing the grounds said authorities closed the facility about a week ago.

From The Wall Street Journal • Apr. 1, 2026

California built its tradition of open government — including for citizen boards that set the rules for such functions as automotive repair and security guard licensing — precisely to keep well-funded corporate interests in check.

From Los Angeles Times • Apr. 1, 2026

Slater, a former security guard and DJ, said his medication was being delivered but on an infrequent basis.

From BBC • Mar. 30, 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

The iron doors swing open, and the security guard yells for someone to stop, but a woman marches in.

From "The Manifestor Prophecy" by Angie Thomas

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.