69 entries under clandestine topic. ×

1
in ambush(expression, close, sensitive, inside)
1
inside(close, underground, undisclosed, furtive)
1
private(underground, undisclosed)
1
secluded(adjective, underground, undisclosed)
1
secretive(underground, undisclosed)
1
sly(underground, undisclosed)
1
sneak(close, inside, underground, undisclosed)
1
sneaky(underground, undisclosed)
1
stealthy(underground, undisclosed)
1
strange(underground, undisclosed)
1
sub-rosa(close, sensitive, underground, undisclosed)
1
surreptitious(adjective, underground, undisclosed)
1
top secret(expression, close, sensitive, inside)
1
under-the-table(sensitive, underground, undisclosed, sub-rosa)
1
under false pretense(expression, idiom, close, sensitive)
1
underground(adjective, undisclosed)
1
underhanded(underground, undisclosed)
1
undisclosed(unknown, underground, nameless)
0
abstruse(underground, undisclosed)
0
ambiguous(underground, undisclosed)
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APASmart Define. (2015). unacknowledged thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unacknowledged/thesaurus/synonyms
ChicagoSmart Define. 2015. "unacknowledged thesaurus" https://smartdefine.org/unacknowledged/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unacknowledged thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unacknowledged/thesaurus/synonyms>.
MLASmart Define. "unacknowledged thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/unacknowledged/thesaurus/synonyms>