12 entries under out-of-date topic. ×
| obsolete(adjective, odd, old, primitive, unfashionable) | |
| antiquated(adjective, odd, old, primitive, unfashionable) | |
| old-fashioned(adjective, old, traditional, unfashionable, obsolete) | |
| archaic(adjective, odd, old, primitive, unfashionable) | |
| dated(adjective, odd, old, primitive, unfashionable) | |
| old(adjective, odd, primitive, unfashionable, outdated) | |
| outmoded(adjective, odd, old, primitive, unfashionable) | |
| outdated(adjective, odd, old, primitive, unfashionable) | |
| passe(adjective, odd, old, primitive, unfashionable) | |
| behind the times(expression, idiom, odd, old, primitive) | |
| out of style(expression, idiom, odd, old, primitive) | |
| unfashionable(adjective, odd, old, primitive, outdated) |
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| APA | Smart Define. (2015). obsolescent thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/obsolescent/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "obsolescent thesaurus" https://smartdefine.org/obsolescent/thesaurus/synonyms (accessed October 2, 2026). |
| Harvard | Smart Define 2015, obsolescent thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/obsolescent/thesaurus/synonyms>. |
| MLA | Smart Define. "obsolescent thesaurus" 14 April 2015. Web. 2 October 2026. <https://smartdefine.org/obsolescent/thesaurus/synonyms> |