1
picket(noun, plant, watch, guard, agent)
1
pig(noun, law, force, man, copper)
1
plainclothesman
1
plant(noun, agent, operative, informer, mole)
1
police(noun, law, force, bear, deputy)
1
police captain
1
police commissioner
1
police constable
1
police matron
1
poller
1
pollster
1
portreeve
1
prober
1
punishable
1
querier
1
querist
1
questioner
1
questionist
1
quizzer
1
reconnoiter
11 years ago|8.1k views|share |citing 
APASmart Define. (2015). detective thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/detective/thesaurus/synonyms
ChicagoSmart Define. 2015. "detective thesaurus" https://smartdefine.org/detective/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, detective thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/detective/thesaurus/synonyms>.
MLASmart Define. "detective thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/detective/thesaurus/synonyms>