60 entries under clandestine topic. ×

29
stealthy(adjective, move, quiet, dishonest, cunning)
26
underhand(adjective, mean, smooth, smart, dishonest)
26
secret(adjective, dishonest, deceitful, secret, hidden)
21
surreptitious(adjective, honest, dishonest, deceitful, secret)
19
covert(adjective, secret, reticent, unknown, sly)
15
hidden(verb, adjective, strange, secret)
9
sneak(adjective, close, underground, undisclosed)
7
backstairs(adjective, close, mysterious, reticent, taciturn)
7
underhanded(adjective, dishonest, cunning, deceitful, unpredictable)
6
private(adjective, obscure, secret, unknown, hidden)
5
concealed(adjective, strange, dishonest, cunning, secret)
5
under-the-table(adjective, secret, private, hidden)
3
arcane(adjective, obscure, strange, secret, unknown)
3
confidential(adjective, secret, hidden, spy)
3
cryptic(adjective, close, obscure, strange, reticent)
3
disguised(adjective, secret, hidden, sneaky)
3
mystical(obscure, strange, unknown, underground)
3
occult(obscure, strange, unknown, underground)
3
sub-rosa(adjective, dishonest, secret, sneaky)
3
unknown(obscure, strange, underground, curious)
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APASmart Define. (2015). furtive thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/furtive/thesaurus/synonyms
ChicagoSmart Define. 2015. "furtive thesaurus" https://smartdefine.org/furtive/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, furtive thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/furtive/thesaurus/synonyms>.
MLASmart Define. "furtive thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/furtive/thesaurus/synonyms>