- Definitions|1
- Thesaurus|112
- Abbreviations|0
6 entries under ranked topic. ×
| classified(secret, clandestine, underground, undisclosed) | |
| classifieds | |
| hierarchical | |
| supersecret | |
| top secret(expression, secret, clandestine, underground, undisclosed) | |
| under security restrictions(expression, idiom) |
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| APA | Smart Define. (2015). top-secret thesaurus. Retrieved September 28, 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 28, 2026). |
| Harvard | Smart Define 2015, top-secret thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/top-secret/thesaurus/synonyms>. |
| MLA | Smart Define. "top-secret thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/top-secret/thesaurus/synonyms> |