Synonyms|53Antonyms|8|Broader|0Narrower|0Related|1
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buttoned up(expression, sensitive, sub-rosa, eyes-only)
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clandestine
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classified(adjective, sensitive, secret, private, confidential)
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concealed
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controlled(private, confidential)
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covert
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exceptional(adjective, private, confidential)
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eyes-only(adverb, sensitive, confidential)
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for eyes only(expression, adjective, idiom, exceptional, sensitive)
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for no other ears(expression, idiom, adverb, sensitive, confidential)
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hidden
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hidden away(expression, sensitive, sub-rosa)
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hushed(adjective, secret, private, confidential)
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in ambush(expression, sensitive, sub-rosa)
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in private(expression, adjective, secret, private, confidential)
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kept concealed(expression, sensitive, sub-rosa)
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limited(private, confidential)
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not public(expression, adjective, secret, private, confidential)
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not to be quoted(expression, idiom, adverb, sensitive, confidential)
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sensitive(adjective, adverb, confidential, sub-rosa, eyes-only)
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APASmart Define. (2015). not for publication thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/not_for_publication/thesaurus/synonyms
ChicagoSmart Define. 2015. "not for publication thesaurus" https://smartdefine.org/not_for_publication/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, not for publication thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/not_for_publication/thesaurus/synonyms>.
MLASmart Define. "not for publication thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/not_for_publication/thesaurus/synonyms>