39 entries under adjective topic. ×
| invalid | |
| off-the-record | |
| officious | |
| particular | |
| personal | |
| private | |
| reticent | |
| secluded | |
| secret | |
| stealthy | |
| subterranean | |
| surreptitious | |
| transferable | |
| unceremonious | |
| undercover | |
| unendorsed | |
| unobtrusive | |
| unsociable | |
| veiled |
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| APA | Smart Define. (2015). official thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/official/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "official thesaurus" https://smartdefine.org/official/thesaurus/antonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, official thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/official/thesaurus/antonyms>. |
| MLA | Smart Define. "official thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/official/thesaurus/antonyms> |