4 entries under obscure topic. ×
| cryptic(adjective, secret) | |
| indistinct(adjective, ambiguous) | |
| nebulous(adjective, confused) | |
| recondite(adjective, mysterious) |
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| APA | Smart Define. (2016). plain thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/plain/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "plain thesaurus" https://smartdefine.org/plain/thesaurus/antonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, plain thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/plain/thesaurus/antonyms>. |
| MLA | Smart Define. "plain thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/plain/thesaurus/antonyms> |