Look up a word, learn it forever.
(military) a secret agent hired by a state to obtain information about its enemies or by a business to obtain industrial secrets from competitors
Margarete Gertrud Zelle
Dutch dancer who was executed by the French as a German spy in World War I (1876-1917)
show 6 types...
hide 6 types...
a spy who works against enemy espionage
a spy who works for two mutually antagonistic countries
someone employed to spy on another country or business competitor
a spy for a foreign country
someone who takes up a position surreptitiously for the purpose of espionage
a spy or saboteur or terrorist planted in an enemy country who lives there as a law-abiding citizen until activated by a prearranged signal
a person secretly employed in espionage for a government
Sign up now (it’s free!)
Whether you’re a teacher or a learner, Vocabulary.com can put you or your class on the path to systematic vocabulary improvement.
Play the Challenge
Choose Your Words
Join a Vocabulary Jam
Classroom & Site License
Help Articles / FAQ
Tell us what you think
Team / Jobs
News & Events
Schools & Teachers
Assignments & Activities
Find a List to Learn...
Create a New List...
Words I'm Learning
My Trouble Words
Words I've Mastered