1
noticing
1
observance
1
patrolling
1
peeled eye(expression, bug, scrutiny, investigation, monitor)
1
planting
1
prying
1
recognizing
1
reconnoiter
1
reconnoitering
1
regard
1
regarding(verb, seeing)
1
respect
1
scrutiny(bug, investigation, monitor, tap, shadowing)
1
secret police
1
seeing(verb, seeing)
1
shopping
1
sleuthing
1
snitching
1
spied
1
staring(verb, seeing)
11 years ago|3.6k views|share |citing 
APASmart Define. (2015). spying thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/spying/thesaurus/synonyms
ChicagoSmart Define. 2015. "spying thesaurus" https://smartdefine.org/spying/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, spying thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/spying/thesaurus/synonyms>.
MLASmart Define. "spying thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/spying/thesaurus/synonyms>