69 entries under underground topic. ×

1
secretive(restricted, clandestine, discreet, undisclosed)
1
sly(clandestine, undisclosed)
1
sneak(close, restricted, inside, clandestine)
1
sneaky(clandestine, undisclosed)
1
stealthy(clandestine, undisclosed)
1
sub-rosa(close, clandestine, undisclosed, furtive)
1
surreptitious(clandestine, undisclosed)
1
top secret(expression, close, inside, clandestine)
1
unacknowledged(close, inside, clandestine, undisclosed)
1
under-the-table(clandestine, undisclosed)
1
under false pretense(expression, idiom, close, inside, clandestine)
1
underhanded(clandestine, undisclosed)
1
veiled(adjective, clandestine, undisclosed)
0
abstruse(clandestine, undisclosed)
0
ambiguous(clandestine, undisclosed)
0
arcane(clandestine, undisclosed)
0
clandestine
0
cloak-and-dagger(clandestine, undisclosed)
0
closet(clandestine, undisclosed)
0
clouded(clandestine, undisclosed)
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APASmart Define. (2013). dissimulated thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/dissimulated/thesaurus/synonyms
ChicagoSmart Define. 2013. "dissimulated thesaurus" https://smartdefine.org/dissimulated/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2013, dissimulated thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/dissimulated/thesaurus/synonyms>.
MLASmart Define. "dissimulated thesaurus" 17 June 2013. Web. 24 September 2026. <https://smartdefine.org/dissimulated/thesaurus/synonyms>