56 entries under noun topic. ×

8
source(cause, point, beginning, sneak)
8
witness
8
informer(law, person, knowledge, source)
8
snitch(law, person, knowledge, slang)
7
reporter(information, sneak, squealer)
6
authority(information, cause, foundation, basis)
6
stoolie(law, person, knowledge, slang)
6
tattletale(law, person, knowledge, source)
5
witnesser
4
rat(law, person, knowledge, informal)
4
fink(law, person, knowledge, slang)
4
reference
4
stool pigeon(expression, law, person, knowledge)
4
tipster(law, person, knowledge, informal)
3
canary(source, grass, sneak, informer)
3
communicator
3
intelligencer
3
monitor(person, supervisor, observer)
3
nark(source, grass, sneak, decoy)
3
sneak(source, gossip, grass, decoy)
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APASmart Define. (2015). informant thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/informant/thesaurus/synonyms
ChicagoSmart Define. 2015. "informant thesaurus" https://smartdefine.org/informant/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, informant thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/informant/thesaurus/synonyms>.
MLASmart Define. "informant thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/informant/thesaurus/synonyms>