25 entries under operative topic. ×

9
lookout(noun, place, plant, watch, guard)
9
picket(noun, person, plant, watch, guard)
8
scout(noun, person, plant, case, watch)
3
double agent(noun, expression, plant, agent)
3
watcher(noun, plant, case, watch, overlook)
2
espionage agent(noun, expression, plant, agent)
2
observer(noun, plant, watch, guard, agent)
2
patrol(noun, plant, case, watch, overlook)
2
secret agent(noun, expression, plant, agent)
1
agent(noun, plant, informer, mole)
1
detective(noun, plant, watch, guard, agent)
1
emissary(noun, plant, watch, agent, spy)
1
foreign agent(noun, expression, plant, agent)
1
informer(noun, plant, agent, mole)
1
inside agent(noun, expression, plant, agent)
1
intelligencer(noun, plant, agent, spy)
1
investigator(noun, plant, agent, mole)
1
mole(noun, plant, watch, agent, spy)
1
plant(noun, agent, informer, mole)
1
secret service(noun, expression, plant, agent)
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APASmart Define. (2015). spotter thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/spotter/thesaurus/synonyms
ChicagoSmart Define. 2015. "spotter thesaurus" https://smartdefine.org/spotter/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, spotter thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/spotter/thesaurus/synonyms>.
MLASmart Define. "spotter thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/spotter/thesaurus/synonyms>