6 entries under classified topic. ×
| classified(noun, adjective, sensitive, secret, restricted) | |
| hush-hush(noun, adjective, secret, restricted, hidden) | |
| under wraps(noun, expression, adjective, sensitive, underground) | |
| supersecret(noun, ranked) | |
| under security restrictions(noun, expression, idiom, ranked) | |
| highly classified(noun, expression) |
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| APA | Smart Define. (2015). top secret thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/top_secret/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "top secret thesaurus" https://smartdefine.org/top_secret/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, top secret thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/top_secret/thesaurus/synonyms>. |
| MLA | Smart Define. "top secret thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/top_secret/thesaurus/synonyms> |