a uniformed guard employed by a bank, airport, office building, etc., to maintain security.
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escort, caretaker, patrolman, warden, custodian, policeman, guardian, muscle, praetorian, minder, bouncer, lookout, detective, patrol, observer, picket, ranger, sentry, watch, curator
- security analyst,
- security blanket,
- security council,
- security of tenure,
- security police,
- security risk,
- security thread,
Origin of security guard
First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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