spying synonym

list of synonyms of word spying

spying (noun)

watch (generic term)
vigil (generic term)

spying (noun)

undercover work
intelligence (generic term)
intelligence activity (generic term)
intelligence operation (generic term)

spying (noun)

detection
catching
espial
spotting
discovery (generic term)
find (generic term)
uncovering (generic term)

synonym dictionary -