1
cunning(adjective, sneaky, covert, secretive)
1
deceitful
1
denominational(adjective, sympathetic, collateral, interested, prejudiced)
1
designing
1
devoted(adjective, sympathetic, interested, prejudiced, opinionated)
1
diehard(adjective, sympathetic, interested, prejudiced, opinionated)
1
disguised(adjective, obscure, unknown, clandestine, underground)
1
elusive(adjective, sneaky, covert, secretive)
1
enigmatical(adjective, obscure, unknown, clandestine, underground)
1
exclusive(adjective, sympathetic, interested, prejudiced, opinionated)
1
fanatic(adjective, sympathetic, interested, prejudiced, opinionated)
1
federated
1
foxy(adjective, sneaky, covert, secretive)
1
guileful(adjective, sneaky, covert, secretive)
1
harmonious
1
hidden(adjective, clandestine, underground, undisclosed, sneaky)
1
hush-hush(adjective, clandestine, underground, undisclosed, sneaky)
1
in cahoots
1
in league
1
in with
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APASmart Define. (2015). conspiratorial thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/conspiratorial/thesaurus/synonyms
ChicagoSmart Define. 2015. "conspiratorial thesaurus" https://smartdefine.org/conspiratorial/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, conspiratorial thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/conspiratorial/thesaurus/synonyms>.
MLASmart Define. "conspiratorial thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/conspiratorial/thesaurus/synonyms>