| old fashioned(expression, idiom) | |
| out-moded | |
| out of style(expression, adjective, idiom, odd, old) | |
| prehistoric | |
| retro(adjective, yesteryear) | |
| rococo(adjective, odd, old, primitive, unfashionable) | |
| rusty(last, original, past, venerable, outdated) | |
| timed | |
| timeworn | |
| tired | |
| unstylish(adjective, plain, odd, old, drab) | |
| vanished(adjective, dead, past, lost, previous) | |
| Noachian | |
| aboriginal(last, original, past, venerable, outdated) | |
| accompanied | |
| age-old(last, original, past, venerable, outdated) | |
| ago | |
| ahead of time(expression, idiom) | |
| annalistic | |
| antedated |
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| APA | Smart Define. (2015). dated thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/dated/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "dated thesaurus" https://smartdefine.org/dated/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, dated thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/dated/thesaurus/synonyms>. |
| MLA | Smart Define. "dated thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/dated/thesaurus/synonyms> |