espionage

from WordNet (r) 3.0 (2006)
espionage
    n 1: the systematic use of spies to get military or political
         secrets
    
from The Collaborative International Dictionary of English v.0.48
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]
    
from Moby Thesaurus II by Grady Ward, 1.0
34 Moby Thesaurus words for "espionage":
      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

    

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