- the branch of governmental service that conducts secret investigations, especially investigations into the military strength of other nations.
- (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.
- secret work for a government, especially espionage.
Origin of secret service
Examples from the Web for secret service
Zito, the Italian secret-service agent, was reportedly paid to shuttle the cash from Switzerland to Italy.‘Monsignor 500’ Nunzio Scarano Held in Alleged Vatican Corruption Plot
Barbie Latza Nadeau
June 28, 2013
The secret-service official is at Abbot's side as he turns back from the door.A War-Time Wooing
One of the secret-service men had a flask, and held it to his lips.Long Live the King
Mary Roberts Rinehart
And I changed my mind about Sarah's "secret-service" parcel.If, Yes and Perhaps
Edward Everett Hale
And never once has the secret-service been able to touch her.The Carpet from Bagdad
"Leave the matter now with me," said the secret-service man quietly.The North Pacific
Willis Boyd Allen
- a government agency or department that conducts intelligence or counterintelligence operations
- such operations
- a US government agency responsible for the protection of the president, the suppression of counterfeiting, and certain other police activities
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.