64 entries under adjective topic. ×
| out-of-date | |
| primitive(original, crude, ancient, barbaric) | |
| superannuated | |
| venerable | |
| age-old | |
| conservative | |
| medieval(old, having) | |
| bygone | |
| conventional | |
| corny | |
| customary | |
| dowdy | |
| fusty | |
| hoary | |
| immemorial | |
| mossy | |
| orthodox | |
| past | |
| prehistoric | |
| primordial |
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| APA | Smart Define. (2016). modern thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/modern/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "modern thesaurus" https://smartdefine.org/modern/thesaurus/antonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, modern thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/modern/thesaurus/antonyms>. |
| MLA | Smart Define. "modern thesaurus" 17 February 2016. Web. 27 September 2026. <https://smartdefine.org/modern/thesaurus/antonyms> |