4
arcane(adjective, obscure, intimate, secret, private)
4
cataloged
4
esoteric(obscure, secret, unknown, clandestine, underground)
4
rated(verb, ordered)
4
top-secret(noun, adjective, secret, clandestine, underground)
4
top secret(noun, expression, adjective, idiom, sensitive)
4
undisclosed(obscure, unknown, personal, clandestine, underground)
3
arrayed(verb, ordered)
3
categorised
3
classified ad
3
close(obscure, intimate, private, unknown, clandestine)
3
closed
3
composed(verb, ordered)
3
controlled(verb, prepared, prearranged, ordered)
3
covert(adjective, secret, restricted, clandestine, underground)
3
filed
3
fixed(verb, ordered)
3
harmonized(verb, ordered)
3
inside(adjective, intimate, secret, private, personal)
3
intimate(adjective, secret, private, personal, confidential)
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APASmart Define. (2015). classified thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/classified/thesaurus/synonyms
ChicagoSmart Define. 2015. "classified thesaurus" https://smartdefine.org/classified/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, classified thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/classified/thesaurus/synonyms>.
MLASmart Define. "classified thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/classified/thesaurus/synonyms>