Synonyms|115Antonyms|3|Broader|0Narrower|0Related|33

70 entries under underground topic. ×

8
secret(adjective, show, full, hidden, clandestine)
7
clandestine(adjective, show, full, secret, sly)
7
hush-hush(adjective, show, informal, full, secret)
7
surreptitious(adjective, full, secret, clandestine)
7
undercover(adjective, show, full, secret, sly)
4
covert(adjective, show, full, secret, clandestine)
2
hidden(clandestine, fraudulent, undisclosed)
2
mysterious(adjective, obscure, full, unknown, clandestine)
2
sly(adjective, full, clandestine, fraudulent)
2
sneaky(adjective, full, sly, clandestine)
2
stealthy(adjective, full, clandestine, undisclosed)
2
under wraps(expression, adjective, idiom, show, secret)
1
closet(obscure, secret, unknown, hidden, sly)
1
furtive(obscure, unknown, hidden, clandestine)
1
mystic(obscure, unknown, clandestine, undisclosed)
1
private(obscure, secret, unknown, hidden, clandestine)
1
underhand(hidden, clandestine, fraudulent, undisclosed)
0
abstruse(obscure, unknown, clandestine, undisclosed)
0
ambiguous(obscure, unknown, clandestine, undisclosed)
0
arcane(obscure, unknown, clandestine, undisclosed)
For more, visit Cloak-and-dagger on Power Thesaurus
11 years ago|1.3k views|share |citing 
APASmart Define. (2015). cloak-and-dagger thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/cloak-and-dagger/thesaurus/synonyms
ChicagoSmart Define. 2015. "cloak-and-dagger thesaurus" https://smartdefine.org/cloak-and-dagger/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, cloak-and-dagger thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/cloak-and-dagger/thesaurus/synonyms>.
MLASmart Define. "cloak-and-dagger thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/cloak-and-dagger/thesaurus/synonyms>