n. Function: noun
systematic secret observation in order to accumulate information FF1C; agents engaged in industrial espionage FF1E;
Synonyms: spying
Related Words: observation, reconnaissance, sleuthing, surveillance, watching
n. Function: noun
systematic secret observation in order to accumulate information FF1C; agents engaged in industrial espionage FF1E;
Synonyms: spying
Related Words: observation, reconnaissance, sleuthing, surveillance, watching
Merriam Webster. Collegiate thesaurus English dictionary. Английский энциклопедический толковый словарь тезауруса. 2012