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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.

Goldsmith even hired a security guard to secure the public picnic bench beginning at 7 a.m.

From Los Angeles Times • May 4, 2026

A security guard, who was unable to go to work because of the protest, told the BBC: "It's not what we expected as fellow Africans."

From BBC • May 3, 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

Ammel’s husband, Matthew Ammel, was employed as a security guard for Sinema at the time.

From The Wall Street Journal • Apr. 18, 2026

“Good afternoon, ma’am,” he said to the security guard stationed near the entrance.

From "The Smartest Kid in the Universe" by Chris Grabenstein

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.