2
blab(sneak, informant, squealer)
2
blabbermouth(grass, sneak, decoy, informer, informant)
2
blemish
2
blob
2
blot
2
catch(verb, mark, see, note, regard)
2
check out(verb, expression, study, consider, see)
2
collaborator(turncoat, traitor, conspirator)
2
contemplate(verb, mark, consider, see, respect)
2
delator
2
denounce
2
dig(verb, study, mark, consider, see)
2
enemy(noun, someone, rival, opponent, competitor)
2
espionage
2
fairly
2
fink(agent, grass, sneak, decoy, informer)
2
flash(verb, mark, consider, see, respect)
2
fleck
2
flimsily
2
gaze at(verb, expression, consider, note, observe)
10 years ago|13k views|share |citing 
APASmart Define. (2016). spy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/spy/thesaurus/synonyms
ChicagoSmart Define. 2016. "spy thesaurus" https://smartdefine.org/spy/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, spy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/spy/thesaurus/synonyms>.
MLASmart Define. "spy thesaurus" 10 February 2016. Web. 24 September 2026. <https://smartdefine.org/spy/thesaurus/synonyms>