0
fact-finding(watching, voyeurism)
0
fact finding(expression, watching, voyeurism)
0
ferret out(verb, expression, phrasal verb)
0
find oneself(expression, idiom)
0
find out(verb, expression, phrasal verb)
0
fleck
0
flecking
0
follow
0
garrulous
0
get
0
get a line(expression, idiom)
0
get hold(expression, idiom)
0
get wind(expression, idiom)
0
grassing
0
happen
0
identify
0
infiltration
0
intelligence activity(expression, idiom)
0
intelligence operation(expression, idiom)
0
investigate a crime(expression, idiom)
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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>