60 entries under clandestine topic. ×

2
abstruse(obscure, strange, unknown, underground)
2
backdoor(close, obscure, unknown, underground)
2
classified(adjective, obscure, secret, unknown)
2
esoteric(obscure, strange, unknown, underground)
2
in ambush(expression, close, underground, undisclosed)
2
incognito(close, secret, hidden, spy)
2
recondite(adjective, obscure, strange, unknown)
2
restricted(adjective, secret, underground, undisclosed)
1
camouflaged(close, obscure, secret, unknown, hidden)
1
cloak-and-dagger(obscure, unknown, hidden, underground)
1
closet(adjective, obscure, unknown, hidden)
1
discreet(close, underground, undisclosed)
1
dissembled(close, secret, hidden, underground)
1
dissimulated(close, underground, undisclosed)
1
enigmatical(obscure, strange, unknown, underground)
1
inside(close, underground, undisclosed)
1
mystic(obscure, unknown, underground, undisclosed)
1
obscure(strange, unknown, underground, undisclosed)
1
shrouded(obscure, secret, unknown, hidden)
1
strange(obscure, unknown, underground, undisclosed)
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APASmart Define. (2015). furtive thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/furtive/thesaurus/synonyms
ChicagoSmart Define. 2015. "furtive thesaurus" https://smartdefine.org/furtive/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, furtive thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/furtive/thesaurus/synonyms>.
MLASmart Define. "furtive thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/furtive/thesaurus/synonyms>