63 entries under underground topic. ×

1
recondite(obscure, secret, unknown, hidden)
1
sly(clandestine, undisclosed)
1
sneak(close, clandestine, undisclosed, furtive)
1
sneaky(clandestine, undisclosed)
1
sub-rosa(close, clandestine, undisclosed, furtive)
1
surreptitious(secret, hidden, clandestine, undisclosed)
1
top secret(expression, close, clandestine, undisclosed)
1
ulterior(secret, hidden, underhanded, covered)
1
unacknowledged(close, clandestine, undisclosed, furtive)
1
under-the-table(secret, hidden, clandestine, undisclosed)
1
under false pretense(expression, idiom, close, clandestine)
1
underhand(secret, hidden, clandestine, undisclosed)
1
underhanded(secret, hidden, clandestine, undisclosed)
0
cloak-and-dagger(obscure, unknown, clandestine, undisclosed)
0
closet(obscure, unknown, clandestine, undisclosed)
0
esoteric(obscure, unknown, 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)
11 years ago|3.3k views|share |citing 
APASmart Define. (2015). camouflaged thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/camouflaged/thesaurus/synonyms
ChicagoSmart Define. 2015. "camouflaged thesaurus" https://smartdefine.org/camouflaged/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, camouflaged thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/camouflaged/thesaurus/synonyms>.
MLASmart Define. "camouflaged thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/camouflaged/thesaurus/synonyms>