0
confidential(clandestine, underground, undisclosed)
0
conspiratorial(obscure, unknown, clandestine, underground, undisclosed)
0
conviction
0
credence
0
credit
0
curtain
0
discreet(clandestine, underground, undisclosed)
0
dissembled(clandestine, underground, undisclosed)
0
dissimulated(clandestine, underground, undisclosed)
0
doctrine
0
dogma
0
enigmatical(obscure, unknown, clandestine, underground, undisclosed)
0
expectation
0
faith
0
feeble
0
feeling
0
furtive(obscure, unknown, clandestine, underground, undisclosed)
0
fuzzy
0
hypothesis
0
idea
11 years ago|10k views|share |citing 
APASmart Define. (2015). unseen thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unseen/thesaurus/synonyms
ChicagoSmart Define. 2015. "unseen thesaurus" https://smartdefine.org/unseen/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unseen thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unseen/thesaurus/synonyms>.
MLASmart Define. "unseen thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/unseen/thesaurus/synonyms>