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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.

The armed security guard at the San Diego mosque would greet every visitor without fail, responding “Salam wa rahamatullahi wa barakatuh” or “May the peace, mercy, and blessings of Allah be upon you too.”

From Los Angeles Times • May 22, 2026

Abdullah was a security guard at the mosque and a father of eight.

From BBC • May 19, 2026

San Diego Police Department Chief Scott Wahl said the suspects ran past the security guard, identified as Amin Abdullah, at about 11:40 on Monday morning.

From The Wall Street Journal • May 19, 2026

A mosque security guard is being remembered for courageous actions that authorities say saved lives in the attack on the Islamic Center of San Diego that left three people dead.

From BBC • May 19, 2026

“Like the security guard said, though—planning doesn’t always work.”

From "The Sun Is Also a Star" by Nicola Yoon

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