188 entries under noun topic. ×

2
infiltrator(plant, spy, mole, detective)
2
intelligencer(plant, agent, operative, mole)
2
mole(plant, agent, spy, operative)
2
narc(source, grass, sneak, decoy)
2
scandalmonger(gossip, rat, canary, tattle)
2
scout(plant, agent, spy, operative)
2
singer(sneak, reporter, snake, informant)
2
snoop(plant, agent, spy, gossip)
2
tattle-tale
2
traducer(opposition, agent, villain, rebel)
1
adversary(opposition, agent, rebel, criminal)
1
advertiser
1
animator
1
antagonist(opposition, agent, rebel, criminal)
1
approver
1
archenemy(opposition, agent, villain, rebel)
1
asperser(opposition, agent, villain, rebel)
1
assailant(opposition, agent, villain, rebel)
1
assassin(opposition, agent, villain, rebel)
1
attacker(opposition, agent, villain, rebel)
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APASmart Define. (2015). informer thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/informer/thesaurus/synonyms
ChicagoSmart Define. 2015. "informer thesaurus" https://smartdefine.org/informer/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, informer thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/informer/thesaurus/synonyms>.
MLASmart Define. "informer thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/informer/thesaurus/synonyms>