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  • secret service
    secret service
    noun
    the branch of governmental service that conducts secret investigations, especially investigations into the military strength of other nations.
  • Secret Service
    Secret Service
    noun
    a US government agency responsible for the protection of the president, the suppression of counterfeiting, and certain other police activities
Synonyms

secret service

American  

noun

  1. the branch of governmental service that conducts secret investigations, especially investigations into the military strength of other nations.

  2. (initial capital letters) the branch of the U.S. Department of the Treasury charged chiefly with the discovery and apprehension of counterfeiters and with providing protection for the president and the president's immediate family.

  3. secret work for a government, especially espionage.


Secret Service 1 British  

noun

  1. a US government agency responsible for the protection of the president, the suppression of counterfeiting, and certain other police activities

"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

secret service 2 British  

noun

  1. a government agency or department that conducts intelligence or counterintelligence operations

  2. such operations

"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

Secret Service Cultural  
  1. A division of the United States Department of the Treasury, responsible for apprehending counterfeiters; investigating a variety of federal crimes; and protecting presidents and their families, presidential candidates, and foreign dignitaries visiting the United States.


Other Word Forms

Etymology

Origin of secret service

First recorded in 1730–40

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.

See Examples For:

For decades, the Cuban secret service, trained during the Soviet era by the KGB, enjoyed a reputation for invincibility.

From Barron's Jan. 10, 2026

“As far as I can tell, a crazy person tried to break in by hammering the windows. I’m grateful to the secret service and the Cincinnati police for responding quickly.”

From The Wall Street Journal Jan. 5, 2026

US concerns became immediately clear: Wright USA was privy to the personal details of many of America's top secret service agents and intelligence officials.

From BBC Nov. 17, 2025

On Thursday, Evans entertained a guest with secret service stature.

From Los Angeles Times Sep. 26, 2025

At Chumley, they have professional security guards who wear earpieces and look like they just retired from the secret service.

From "Shine!" by J.J. and Chris Grabenstein

Wary, pregnant Annie joins the optimistic Secret Service agent’s quest to find his lost wife.

From Los Angeles Times Aug. 18, 2026

The Secret Service and the FBI later determined that Trump was in no danger.

From Los Angeles Times Aug. 14, 2026

But back then, press secretary Joe Lockhart got the Secret Service to change the plan.

From Salon Aug. 14, 2026

The Secret Service dug into its playbook of tricks to protect Trump during his vulnerable final minutes in Turkey.

From The Wall Street Journal Aug. 13, 2026

The Secret Service had cleared everything out, shutting down an entire section of Lake Shore Drive, blocking every intersection along the route—a standard precaution for a president, we’d soon learn.

From "Becoming" by Michelle Obama

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