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Spy
01
someone who is employed by a government to obtain secret information on another person, country, company, etc.
Examples
The spy used hidden cameras to gather intelligence on the enemy ’s activities.
02
a person who secretly observes or watches others without their knowledge
Examples
He acted like a spy, watching his neighbors from the window.
to spy
01
to secretly observe someone
Transitive: to spy on sb
Examples
During the Cold War, intelligence agencies would spy on rival nations to gather classified information.
02
to see or glimpse something briefly or from a distance
Transitive: to spy sb/sth
Examples
She spied a bird perched on the windowsill while she was working.
03
to secretly gather information about enemies, competitors, or others
Intransitive: to spy for sb | to spy on an enemy or rival
Examples
During the Cold War, many people were recruited to spy for their countries.
