Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “Secret Service”

Secret Service

noun [no plural]    
INFORMATION in the UK, a department of the government that tries to find out secret information about foreign countriesGovernment administration and organisationSpying and espionage
PROTECTION in the US, a government organization that protects the presidentGovernment administration and organisationSpying and espionage
(Definition of Secret Service noun from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “Secret Service” in other dictionaries

Word of the Day

handout

a document given to students or reporters which contains information about a particular subject

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More