4
intrinsic(adjective, intimate, secret, private, penetrating)
4
new(adjective, fresh, original, novel, innovative)
4
penetrating(adjective, intimate, secret, private, detailed)
4
privy(adjective, intimate, secret, private, penetrating)
4
profound(adjective, intimate, secret, private, penetrating)
4
secret(adjective, intimate, private, penetrating, personal)
4
special(adjective, intimate, secret, private, penetrating)
4
straight(adjective, direct)
4
thorough(adjective, intimate, secret, private, penetrating)
4
trusted(adjective, intimate, secret, private, penetrating)
4
unused(adjective, fresh, original, novel, innovative)
4
uptight(adjective, intimate, secret, private, penetrating)
4
viscerous(adjective, intimate, secret, private, penetrating)
3
deep(adjective, intimate, secret, private, penetrating)
3
detailed(adjective, intimate, secret, private, penetrating)
3
elemental(adjective, intimate, secret, private, penetrating)
3
essential(adjective, intimate, secret, private, penetrating)
3
exhaustive(adjective, intimate, secret, private, penetrating)
3
experienced(adjective, active, practical, intimate, secret)
3
confidential(adjective, intimate, private, personal)
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APASmart Define. (2015). firsthand thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/firsthand/thesaurus/synonyms
ChicagoSmart Define. 2015. "firsthand thesaurus" https://smartdefine.org/firsthand/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, firsthand thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/firsthand/thesaurus/synonyms>.
MLASmart Define. "firsthand thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/firsthand/thesaurus/synonyms>