Synonyms|450Antonyms|97|Broader|7Narrower|0Related|60

64 entries under clandestine topic. ×

2
stealthy(adjective, secret, underground, undisclosed)
2
surreptitious(adjective, underground, undisclosed)
2
top-secret(underground, undisclosed)
2
top secret(expression, underground, undisclosed)
2
under wraps(expression, underground, undisclosed)
2
undisclosed(obscure, unknown, underground, unrevealed)
1
covered(obscure, unknown, underground, undisclosed)
1
out-of-the-way(obscure, complex, deep, unknown)
1
reticent(obscure, deep, unknown, underground)
1
retired(obscure, deep, unknown, underground)
1
secluded(obscure, unknown, underground, undisclosed)
1
secretive(strange, underground, undisclosed, inexplicable)
1
shrouded(adjective, obscure, unknown, underground)
1
underhand(adjective, underground, undisclosed)
1
unintelligible(adjective, obscure, difficult, solid, strange)
1
unknown(obscure, strange, deep, mysterious)
1
unseen(adjective, obscure, unknown, underground)
0
backstairs(underground, undisclosed)
0
camouflaged(obscure, unknown, underground, undisclosed)
0
cloak-and-dagger(obscure, unknown, underground, undisclosed)
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ChicagoSmart Define. 2015. "arcane thesaurus" https://smartdefine.org/arcane/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, arcane thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/arcane/thesaurus/synonyms>.
MLASmart Define. "arcane thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/arcane/thesaurus/synonyms>