38 entries under agent topic. ×

1
observer(noun, plant, watch, guard)
1
picket(noun, plant, watch, guard)
1
plant(noun, operative, informer, mole)
1
researcher(noun, hound, police, gumshoe)
1
reviewer(hound, monitor, manager, police)
1
secret service(noun, expression, plant, operative)
1
sleeper(noun, plant, operative, informer)
1
spook(noun, plant, operative, informer)
1
spotter(noun, plant, watch, guard)
1
tester(hound, monitor, manager, police)
1
undercover agent(noun, expression, plant, watch)
1
watcher(noun, plant, watch, guard)
0
auditor(hound, monitor, manager, police)
0
double agent(noun, expression, plant, operative)
0
espionage agent(noun, expression, plant, operative)
0
attorney(hound, police, gumshoe, questioner)
0
hound(police, gumshoe, questioner, sleuth)
0
undercover cop(expression, hound, police, gumshoe)
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APASmart Define. (2015). detective thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/detective/thesaurus/synonyms
ChicagoSmart Define. 2015. "detective thesaurus" https://smartdefine.org/detective/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, detective thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/detective/thesaurus/synonyms>.
MLASmart Define. "detective thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/detective/thesaurus/synonyms>