Definition for
espionage
noun – The practice of spying; secret observation of the acts or utterances of another by a spy or emissary; offensive surveillance.
noun – 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.
noun –
The act or process of learning secret information through
noun – the systematic use of spies to get military or political secrets
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