136 entries under noun topic. ×

1
bandit(opposition, agent, villain, rebel)
1
busybody(verb, watch, intrude, sneak)
1
calumniator(opposition, agent, villain, rebel)
1
competitor(opposition, agent, villain, rebel)
1
contender(opposition, agent, villain, rebel)
1
contract
1
criminal(opposition, agent, villain, rebel)
1
defamer(opposition, agent, villain, rebel)
1
defiler(opposition, agent, villain, rebel)
1
detractor(opposition, agent, villain, rebel)
1
disputant(opposition, agent, villain, rebel)
1
emulator(opposition, agent, villain, rebel)
1
falsifier(opposition, agent, villain, rebel)
1
foe(opposition, agent, villain, rebel)
1
guerrilla(opposition, agent, villain, rebel)
1
hidden warrior
1
inquisitor(opposition, agent, villain, rebel)
1
inside agent(expression, person, plant, mole)
1
intruder(sneak, mole)
1
invader(opposition, agent, villain, rebel)
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APASmart Define. (2016). spy thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/spy/thesaurus/synonyms
ChicagoSmart Define. 2016. "spy thesaurus" https://smartdefine.org/spy/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, spy thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/spy/thesaurus/synonyms>.
MLASmart Define. "spy thesaurus" 10 February 2016. Web. 29 September 2026. <https://smartdefine.org/spy/thesaurus/synonyms>