Espionage

Noun

 * 1) The act or process of learning secret information through clandestine means.

Synonyms

 * spying

Derived terms

 * counterespionage
 * industrial espionage

Coordinate terms

 * reconnaissance
 * undercover

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

Pronunciation
'ĕs-pē-ŭ-näzh also Canadian -năzh; -nizh