Synonyms|7Antonyms|0|Broader|0Narrower|0Related|0
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classified
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classifieds(noun, supersecret)
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hush-hush(noun, classified)
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supersecret(noun, classified)
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top secret(expression, classified)
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under security restrictions(expression, idiom, classified)
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under wraps(noun, expression, classified)
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APASmart Define. (1970). highly classified thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/highly_classified/thesaurus/synonyms
ChicagoSmart Define. 1970. "highly classified thesaurus" https://smartdefine.org/highly_classified/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 1970, highly classified thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/highly_classified/thesaurus/synonyms>.
MLASmart Define. "highly classified thesaurus" 1 January 1970. Web. 21 September 2026. <https://smartdefine.org/highly_classified/thesaurus/synonyms>