The practice or employment of spies; the practice of watching the words and conduct of others, to make discoveries, as spies or secret emissaries; secret watching.
the crime of gathering, transmitting or losing information with regard to the national defense with the intent to use that information to the injury of the United States.
the systematic use of spies to get military or political secrets
Spying. Several countries are actively seeking British information and material to advance their own military, technological, political and economic programmes. Terrorists may also seek to infiltrate organisations and gain access to potentially useful information and systems. (See: The threat from espionage).
1. The act or practice of spying or of using spies to obtain secret intelligence. 2. Overt, covert, or clandestine activity. A term which is usually used in conjunction with the country against which such an activity takes place. For example, espionage against the U.S.
"n. the crime of spying on the federal government and/or transferring state secrets on behalf of a foreign country. The other country need not be an "enemy," so espionage may not be treason, which involves aiding an enemy. See also: sedition treason "
The practice of obtaining secrets (spying) from rivals or enemies for military, political, or economic advantage using illegal or unethical methods.
The unlawful act of spying for a foreign government.
Espionage (spying) is a practice of obtaining information about an organization or a society that is considered secret or confidential without the permission of the holder of the information. What differentiates espionage from other forms of intelligence work is that espionage involves obtaining the information by accessing the place where the information is stored or accessing the people who know the information and will divulge it through some kind of subterfuge.