0
investigation(scrutiny, watching, shadowing, voyeurism)
0
legwork(watching, voyeurism)
0
look at(verb, phrasal verb)
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meddlesome
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military espionage(expression, idiom)
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moling
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narking
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overlooking
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patch
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picketing
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police investigation(expression, idiom)
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rating
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reconnoitre
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revelation
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scouter
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scrutinizing
0
searching
0
signal detection(expression, idiom)
0
smell out(verb, expression, phrasal verb)
0
snoopy
11 years ago|3.6k views|share |citing 
APASmart Define. (2015). spying thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/spying/thesaurus/synonyms
ChicagoSmart Define. 2015. "spying thesaurus" https://smartdefine.org/spying/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, spying thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/spying/thesaurus/synonyms>.
MLASmart Define. "spying thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/spying/thesaurus/synonyms>