57 entries under underground topic. ×

1
undisclosed(adjective, obscure, unknown, personal, clandestine)
0
abstruse(obscure, unknown, clandestine, undisclosed)
0
ambiguous(obscure, unknown, clandestine, undisclosed)
0
backdoor(obscure, intimate, private, unknown, clandestine)
0
camouflaged(obscure, unknown, clandestine, undisclosed)
0
clouded(obscure, unknown, clandestine, undisclosed)
0
conspiratorial(obscure, unknown, clandestine, undisclosed)
0
covered(obscure, unknown, clandestine, undisclosed)
0
deep(obscure, unknown, clandestine, undisclosed)
0
discreet(special, intimate, personal, clandestine)
0
disguised(clandestine, undisclosed)
0
dissembled(clandestine, undisclosed)
0
dissimulated(clandestine, undisclosed)
0
enigmatical(obscure, unknown, clandestine, undisclosed)
0
in ambush(expression, clandestine, undisclosed)
0
mysterious(obscure, unknown, clandestine, undisclosed)
0
mystic(obscure, unknown, clandestine, undisclosed)
0
mystical(obscure, unknown, clandestine, undisclosed)
0
occult(obscure, unknown, clandestine, undisclosed)
0
on the QT(expression, idiom, obscure, unknown, clandestine)
11 years ago|12k views|share |citing 
APASmart Define. (2015). closet thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/closet/thesaurus/synonyms
ChicagoSmart Define. 2015. "closet thesaurus" https://smartdefine.org/closet/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, closet thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/closet/thesaurus/synonyms>.
MLASmart Define. "closet thesaurus" 30 September 2015. Web. 26 September 2026. <https://smartdefine.org/closet/thesaurus/synonyms>