76 entries under agent topic. ×

1
disputant(noun, opposition, villain, rebel)
1
emulator(noun, opposition, villain, rebel)
1
falsifier(noun, opposition, villain, rebel)
1
fed(informer, reporter, gumshoe, investigator)
1
fifth column(expression, opposition, villain, rebel)
1
flatfoot(informer, reporter, gumshoe, investigator)
1
foe(noun, opposition, villain, rebel)
1
guerrilla(noun, opposition, villain, rebel)
1
gumshoe(hound, police, sneak, informer)
1
inquisitor(noun, opposition, villain, rebel)
1
invader(noun, opposition, villain, rebel)
1
murderer(noun, opposition, villain, rebel)
1
nark(grass, sneak, decoy, informer)
1
opponent(noun, opposition, rebel, criminal)
1
opposition(noun, rebel, criminal, rival)
1
other side(expression, opposition, villain, rebel)
1
peeper(noun, informer, reporter, gumshoe)
1
plainclothes officer(expression, hound, police, informer)
1
police officer(expression, informer, reporter, investigator)
1
private eye(noun, expression, hound, informer)
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APASmart Define. (2016). spy thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/spy/thesaurus/synonyms
ChicagoSmart Define. 2016. "spy thesaurus" https://smartdefine.org/spy/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, spy thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/spy/thesaurus/synonyms>.
MLASmart Define. "spy thesaurus" 10 February 2016. Web. 25 September 2026. <https://smartdefine.org/spy/thesaurus/synonyms>