Synonyms|21Antonyms|0|Broader|0Narrower|0Related|0
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backdoor(sensitive, sub-rosa)
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backstairs(sensitive, sub-rosa)
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buttoned up(expression, sensitive, sub-rosa)
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classified(sensitive, sub-rosa)
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for eyes only(expression, idiom, sensitive, sub-rosa)
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hidden away(expression, sensitive, sub-rosa)
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in ambush(expression, sensitive, sub-rosa)
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kept concealed(expression, sensitive, sub-rosa)
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kept secret
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not for publication(expression, idiom, sensitive, sub-rosa)
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on the QT(expression, idiom, sensitive, sub-rosa)
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privileged(sensitive, sub-rosa)
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secret(sensitive, sub-rosa)
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sensitive
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sub-rosa
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top secret(expression, sensitive, sub-rosa)
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unacknowledged(sensitive, sub-rosa)
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under-the-table(sensitive, sub-rosa)
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under false pretense(expression, idiom, sensitive, sub-rosa)
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under the table(expression, idiom, sensitive, sub-rosa)
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APASmart Define. (1970). with a lid on thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/with_a_lid_on/thesaurus/synonyms
ChicagoSmart Define. 1970. "with a lid on thesaurus" https://smartdefine.org/with_a_lid_on/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 1970, with a lid on thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/with_a_lid_on/thesaurus/synonyms>.
MLASmart Define. "with a lid on thesaurus" 1 January 1970. Web. 21 September 2026. <https://smartdefine.org/with_a_lid_on/thesaurus/synonyms>