secret agent
noun
an agent of a secret service.
(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 his or her own nation; spy.
Origin of secret agent
First recorded in 1830–40
Words nearby secret agent
secondment,
secondo,
secos,
secrecy,
secret,
secret agent,
secret ballot,
secret history,
secret partner,
secret police,
secret santa
Example sentences from the Web for secret agent
And at times the tricky part, the hard part, is finding out what that secret-agent mission is.
British Dictionary definitions for secret agent
secret agent
noun
a person employed in espionage