1
retired(adjective, obscure, unknown, clandestine, underground)
1
saprophytic
1
secluded(adjective, obscure, unknown, clandestine, underground)
1
secret plan
1
sectarian(adjective, sympathetic, interested, prejudiced, opinionated)
1
shrewd
1
shrouded(adjective, obscure, unknown, clandestine, underground)
1
skulking(adjective, sneaky, covert, recreant, secretive)
1
slinking(adjective, sneaky, covert, secretive, sub-rosa)
1
sly(adjective, clandestine, underground, undisclosed, sneaky)
1
sneaky(adjective, clandestine, underground, undisclosed, covert)
1
sub-rosa(adjective, clandestine, underground, sneaky, covert)
1
symbiotic
1
synchronous
1
synergistic
1
teamed
1
tendentious(adjective, sympathetic, interested, prejudiced, opinionated)
1
tricky(adjective, sneaky, covert, secretive)
1
under-the-table(adjective, clandestine, underground, sneaky, covert)
1
under the radar
11 years ago|4.3k views|share |citing 
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>