'Espionage' definitions:
Definition of 'espionage'
From: WordNet
noun
The systematic use of spies to get military or political secrets
Definition of 'Espionage'
From: GCIDE
- Espionage \Es"pi*o*nage\ (?; 277), n. [F. espionnage, fr. espionner to spy, fr. espion spy, OF. espie. See Espy.] 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. [1913 Webster]
Synonyms of 'espionage'
From: Moby Thesaurus
- bugging,
- cloak-and-dagger work,
- counterespionage,
- counterintelligence,
- electronic surveillance,
- espial,
- following,
- intelligence,
- intelligence work,
- looking,
- lookout,
- military intelligence,
- note,
- notice,
- observance,
- observation,
- reconnaissance,
- regard,
- respect,
- secret police,
- secret service,
- shadowing,
- sleuthing,
- spying,
- stakeout,
- surveillance,
- tailing,
- trailing,
- viewing,
- watch,
- watching,
- wiretap,
- wiretapping,
- witnessing