spying 2
noundomain: activity
Princeton WordNet [ver.3.1]
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EnglishDefinition
the act of keeping a secret watch for intelligence purposes
Hypernym
intelligence 5
noun
the operation of gathering information about an enemy
EnglishDerivationally related form
spy 4
verb
secretly collect sensitive or classified information; engage in espionage
Hyponym
espionage 1
noun
the systematic use of spies to get military or political secrets
