1
quarantined(close, quiet, private, isolated, secluded)
1
removed(close, quiet, private, isolated, personal)
1
reserved(close, quiet, special, intimate, private)
1
retired(close, quiet, private, isolated, personal)
1
screened(close, quiet, private, isolated, secluded)
1
sealed
1
secluded(close, quiet, private, isolated, personal)
1
secluse(close, quiet, private, isolated, secluded)
1
seclusive(close, quiet, private, isolated, secluded)
1
secretly
1
segregated(close, quiet, private, isolated, secluded)
1
shrouded(adjective, separate, secret, clandestine, underground)
1
shut off(expression, close, quiet, private, isolated)
1
singular(close, quiet, private, isolated, secluded)
1
sly(clandestine, underground, undisclosed)
1
sneak(restricted, clandestine, underground, discreet, undisclosed)
1
sneaky(clandestine, underground, undisclosed)
1
snug(adjective, close, open, easy, friendly)
1
stingy
1
sub-rosa(secret, hidden, spy, clandestine, underground)
11 years ago|7.9k views|share |citing 
APASmart Define. (2015). confidential thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/confidential/thesaurus/synonyms
ChicagoSmart Define. 2015. "confidential thesaurus" https://smartdefine.org/confidential/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, confidential thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/confidential/thesaurus/synonyms>.
MLASmart Define. "confidential thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/confidential/thesaurus/synonyms>