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.

The meaning of SPY is to watch secretly usually for hostile purposes. How to use spy in a sentence.

Phrasal verb spy on someone/something (Definition of spying from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

1. To engage in espionage. 2. To investigate or observe something, especially in secret: spying into the neighbor's activities.

SPY definition: a person employed by a government to obtain secret information or intelligence about another, usually hostile, country, especially with reference to military or naval affairs. See examples …

/ˈspaɪɪŋ/ IPA guide Other forms: spyings Definitions of spying noun keeping a secret or furtive watch see more

Spying is the act or process of finding out secret information for a country or organization about other countries or organizations. ...a ten-year sentence for spying.

spy /spaɪ/ n., pl. spies, v., spied, spy•ing. a person employed by a government to obtain secret information or intelligence about another country, usually an enemy: Spies who are caught in time of …

Dec 4, 2025 · What exactly is spying, and why is it such a persistent topic in our lives, from movies to the news? Essentially, spying refers to the act of observing or gathering information about a person, …

Spying, also known as espionage, is the act of secretly collecting and reporting information about the activities, movements, or plans of an individual, organization, or nation, usually for strategic, military, …