52 entries under adjective topic. ×
| official(improper, incorrect, legitimate, authorized) | |
| authoritative | |
| confirmed | |
| authorized(illegitimate, confirmed) | |
| formal | |
| lawful | |
| legitimate | |
| orthodox | |
| regular | |
| unsophisticated | |
| veritable | |
| accurate | |
| actual | |
| authentic | |
| candid | |
| certain | |
| concrete | |
| correct | |
| defensible | |
| effective |
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Unofficial on
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| APA | Smart Define. (2016). unofficial thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unofficial/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "unofficial thesaurus" https://smartdefine.org/unofficial/thesaurus/antonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, unofficial thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unofficial/thesaurus/antonyms>. |
| MLA | Smart Define. "unofficial thesaurus" 26 February 2016. Web. 29 September 2026. <https://smartdefine.org/unofficial/thesaurus/antonyms> |