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  1. Espionage - Wikipedia

    Espionage, spying, or intelligence gathering, as a subfield of the intelligence field, is the act of obtaining secret, confidential, or in some way valuable information.

  2. ESPIONAGE Definition & Meaning - Merriam-Webster

    The meaning of ESPIONAGE is the practice of spying or using spies to obtain information about the plans and activities especially of a foreign government or a competing company.

  3. Espionage | international relations | Britannica

    Dec 19, 2025 · espionage, process of obtaining military, political, commercial, or other secret information by means of spies, secret agents, or illegal monitoring devices. Espionage is …

  4. Espionage Cases and Modern Counterintelligence Practices

    Mar 18, 2025 · Espionage cases: Learn about historical cases of spying and modern practices for combating espionage.

  5. Espionage Facts - International Spy Museum

    Espionage is defined as the act of spying or using spies, agents, assets, and intelligence officers, as well as technology, to collect secret information, usually through illegal means.

  6. ESPIONAGE | definition in the Cambridge English Dictionary

    ESPIONAGE meaning: 1. the discovering of secrets, especially political or military information of another country or…. Learn more.

  7. ESPIONAGE Definition & Meaning | Dictionary.com

    ESPIONAGE definition: the act or practice of spying. See examples of espionage used in a sentence.

  8. espionage | Wex | US Law | LII / Legal Information Institute

    Espionage is the crime of secretly obtaining or transmitting information without authorization for the purpose of benefiting a foreign power, organization, or entity.

  9. Espionage - New World Encyclopedia

    Espionage is the practice of obtaining confidential information through spying; a practice that often employs covert, clandestine, illegal or unethical behavior. Spies have been used to create …

  10. Espionage - definition of espionage by The Free Dictionary

    1. the act or practice of spying. 2. the use of spies by a government to discover the military and political secrets of other nations. 3. the use of spies by a corporation or the like to acquire the …