bn:00031609n
Noun Concept
Categories: All Wikipedia articles written in American English, Articles with short description, Espionage, Law enforcement occupations, Positions of authority
EN
espionage  Intelligence and counterintelligence  Clandestine Service  Covert intelligence  enemy agent
EN
The systematic use of spies to get military or political secrets WordNet 3.0
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EN
The systematic use of spies to get military or political secrets WordNet 3.0 & Open English WordNet
Espionage, spying, or intelligence gathering is the act of obtaining secret or confidential information. Wikipedia
Obtaining of information considered secret or confidential without the permission of the holder of the information. Wikipedia Disambiguation
Clandestine acquisition of confidential information Wikidata
The act or practice of spying or of using spies to obtain secret information. OmegaWiki
The act or process of learning secret information through clandestine means. Wiktionary
Act of learning secret information through clandestine means. Wiktionary (translation)