Synonyms|137Antonyms|6|Broader|0Narrower|0Related|23

79 entries under underground topic. ×

1
hush-hush(secret, hidden, clandestine, undisclosed)
1
in ambush(expression, close, restricted, clandestine)
1
incog(secret, hidden, clandestine, underhanded)
1
inside(close, restricted, clandestine, discreet)
1
obscured(secret, hidden, clandestine, underhanded)
1
private(secret, hidden, clandestine, undisclosed)
1
restricted(clandestine, discreet, undisclosed)
1
secretive(restricted, clandestine, discreet, undisclosed)
1
shrouded(verb, secret, hidden, clandestine)
1
sly(adjective, clandestine, undisclosed)
1
sneak(close, restricted, clandestine, discreet)
1
sneaky(adjective, clandestine, undisclosed)
1
stealthy(adjective, secret, hidden, clandestine)
1
sub-rosa(close, clandestine, undisclosed, furtive)
1
surreptitious(secret, hidden, clandestine, undisclosed)
1
top secret(expression, close, clandestine, undisclosed)
1
unacknowledged(close, clandestine, undisclosed, furtive)
1
under-the-table(secret, hidden, clandestine, undisclosed)
1
under false pretense(expression, idiom, close, clandestine)
1
undercover(secret, hidden, clandestine, undisclosed)
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ChicagoSmart Define. 2013. "dissembled thesaurus" https://smartdefine.org/dissembled/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2013, dissembled thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/dissembled/thesaurus/synonyms>.
MLASmart Define. "dissembled thesaurus" 17 June 2013. Web. 25 September 2026. <https://smartdefine.org/dissembled/thesaurus/synonyms>