63 entries under underground topic. ×

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on the QT(expression, idiom, obscure, unknown, clandestine)
0
out-of-the-way(obscure, unknown, clandestine, undisclosed)
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restricted(clandestine, undisclosed)
0
reticent(obscure, unknown, clandestine, undisclosed)
0
retired(obscure, unknown, clandestine, undisclosed)
0
secluded(obscure, unknown, clandestine, undisclosed)
0
strange(obscure, unknown, clandestine, undisclosed)
0
sub rosa(expression, secret, clandestine, underhanded)
0
top-secret(clandestine, undisclosed)
0
undisclosed(obscure, unknown, clandestine, unrevealed)
0
unenlightened(obscure, unknown, clandestine, undisclosed)
0
unfrequented(obscure, unknown, clandestine, undisclosed)
0
unintelligible(obscure, unknown, clandestine, undisclosed)
0
unknown(obscure, clandestine, undisclosed, unrevealed)
0
unpublished(obscure, unknown, clandestine, undisclosed)
0
unsuspected(secret, hidden, clandestine, underhanded)
-1
QT(secret, hidden, clandestine, underhanded)
-1
abstruse(obscure, unknown, clandestine, undisclosed)
-1
ambiguous(obscure, unknown, clandestine, undisclosed)
-1
arcane(obscure, unknown, clandestine, undisclosed)
11 years ago|3.3k views|share |citing 
APASmart Define. (2015). camouflaged thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/camouflaged/thesaurus/synonyms
ChicagoSmart Define. 2015. "camouflaged thesaurus" https://smartdefine.org/camouflaged/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, camouflaged thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/camouflaged/thesaurus/synonyms>.
MLASmart Define. "camouflaged thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/camouflaged/thesaurus/synonyms>