0
restricted(clandestine, underground, undisclosed)
0
secreted
0
secretiveness
0
sly(clandestine, underground, undisclosed)
0
sneak(clandestine, underground, undisclosed)
0
sneaky(clandestine, underground, undisclosed)
0
stealthy(clandestine, underground, undisclosed)
0
strange(obscure, unknown, clandestine, underground, undisclosed)
0
sub-rosa(clandestine, underground, undisclosed)
0
supposition
0
surreptitious(secret, unknown, hidden, underground, concealed)
0
top-secret(clandestine, underground, undisclosed)
0
top secret(expression, clandestine, underground, undisclosed)
0
trust
0
unattended
0
uncared-for
0
under-the-table(clandestine, underground, undisclosed)
0
under cover(expression, obscure, dark)
0
under false pretense(expression, idiom, clandestine, underground, undisclosed)
0
underhand(clandestine, underground, undisclosed)
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APASmart Define. (2015). unseen thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unseen/thesaurus/synonyms
ChicagoSmart Define. 2015. "unseen thesaurus" https://smartdefine.org/unseen/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, unseen thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unseen/thesaurus/synonyms>.
MLASmart Define. "unseen thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/unseen/thesaurus/synonyms>