4
trusted(adjective, sound, intimate, private, penetrating)
3
auricular(adjective, show)
3
concealed(adjective, separate, secret, hidden, spy)
3
deep-seated(adjective, intimate, private, personal)
3
elemental(adjective, intimate, private, personal)
3
essential(adjective, intimate, private, personal)
3
experienced(adjective, intimate, private, personal)
3
firsthand(adjective, intimate, private, personal)
3
furtive(adjective, secret, hidden, spy, clandestine)
3
gut(adjective, intimate, private, personal)
3
honourable
3
hushed(adjective, special, intimate, secret, private)
3
in-depth(adjective, intimate, private, personal)
3
inborn(adjective, intimate, private, personal)
3
inbred(adjective, intimate, private, personal)
3
indwelling(adjective, intimate, private, personal)
3
ingrained(adjective, intimate, private, personal)
3
inherent(adjective, intimate, private, personal)
3
inmost(adjective, intimate, private, personal)
3
innate(adjective, intimate, private, personal)
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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>