188 entries under noun topic. ×

13
spy(person, information, plant, opposition)
13
betrayer(opposition, source, agent, villain)
13
rat(law, person, knowledge, informal)
13
squealer(law, person, knowledge, slang)
11
stoolie(law, person, knowledge, slang)
9
fink(law, person, knowledge, slang)
9
snitch(law, person, knowledge, slang)
8
nark(source, agent, spy, gossip)
8
sneak(person, source, spy, gossip)
8
tattletale(law, person, knowledge, source)
8
traitor(person, opposition, agent, villain)
7
informant(law, person, knowledge, source)
7
stool pigeon(expression, idiom, law, person)
7
tattler(law, person, knowledge, source)
7
telltale(gossip, rat, canary, snitch)
6
grass(gossip, sneak, decoy, traitor)
6
accuser(accusation, sneak, reporter, informant)
6
canary(source, gossip, grass, sneak)
6
reporter(agent, spy, sneak, messenger)
6
secret agent(expression, idiom, plant, agent)
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APASmart Define. (2015). informer thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/informer/thesaurus/synonyms
ChicagoSmart Define. 2015. "informer thesaurus" https://smartdefine.org/informer/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, informer thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/informer/thesaurus/synonyms>.
MLASmart Define. "informer thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/informer/thesaurus/synonyms>