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Synonyms

secret agent

American  

noun

  1. an agent of a secret service.

  2. (loosely) a person employed to collect the military secrets of one country and relay them to another, especially a person living in a foreign country while so working for their own nation; spy.


secret agent British  

noun

  1. a person employed in espionage

"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 secret agent

First recorded in 1830–40

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.

Over the next few decades, the secret agent opted for the security of running atop moving trains and hanging off the side of helicopters.

From The Wall Street Journal • Feb. 8, 2026

Then in 1990 he got attention for his turn as the hard-nosed secret agent handling Anne Parillaud's female assassin Nikita, in Besson's hit film of the same name.

From Barron's • Oct. 31, 2025

Geoffrey recalls the phone call his father received when he found out he had been chosen to take over the role of Britain's most famous secret agent.

From BBC • Dec. 22, 2024

But this year, he’s back in front of the camera in the new Prime Video series “Mr. & Mrs. Smith,” starring alongside Maya Erskine as a secret agent.

From Los Angeles Times • Jan. 1, 2024

All my years of imagining the life of a secret agent for myself finally paid off.

From "Born a Crime: Stories from a South African Childhood" by Trevor Noah

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