10 entries under inside topic. ×

1
backdoor(close, sensitive, clandestine, underground)
1
backstairs(close, sensitive, clandestine, underground)
1
close(clandestine, underground, undisclosed, furtive)
1
cryptic(close, clandestine, underground, undisclosed)
1
discreet(close, clandestine, underground, undisclosed)
1
dissimulated(close, clandestine, underground, undisclosed)
1
in ambush(expression, close, sensitive, clandestine)
1
sneak(close, clandestine, underground, undisclosed)
1
top secret(expression, close, sensitive, clandestine)
0
under the table(expression, idiom, close, sensitive)
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APASmart Define. (2015). unacknowledged thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unacknowledged/thesaurus/synonyms
ChicagoSmart Define. 2015. "unacknowledged thesaurus" https://smartdefine.org/unacknowledged/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, unacknowledged thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unacknowledged/thesaurus/synonyms>.
MLASmart Define. "unacknowledged thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/unacknowledged/thesaurus/synonyms>