79 entries under outdated topic. ×
| former(noun, adjective, order, time, back) | |
| old(adjective, hard, last, odd, sour) | |
| bygone(adjective, last, original, dead, odd) | |
| quondam(noun, adjective, original, old, previous) | |
| late(adjective, original, dead, old, previous) | |
| ancient(adjective, odd, old, primitive, previous) | |
| extinct(adjective, split, quit, dead, odd) | |
| olden(adjective, original, odd, old, primitive) | |
| sometime(adjective, original, old, previous) | |
| dead(adjective, hard, split, quit, odd) | |
| obsolete(adjective, last, original, dead, odd) | |
| onetime(adjective, last, original, primitive) | |
| passe(adjective, hard, last, original, odd) | |
| antiquated(adjective, hard, last, original, odd) | |
| antique(adjective, last, original, odd, old) | |
| done(adjective, split, original, lacking, finished) | |
| early(adjective, last, original, old, primitive) | |
| once(adjective, original, old, previous) | |
| primeval(adjective, last, original, primitive, venerable) | |
| old-time(adjective, last, original, odd, old) |
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| APA | Smart Define. (2015). past thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/past/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "past thesaurus" https://smartdefine.org/past/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, past thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/past/thesaurus/synonyms>. |
| MLA | Smart Define. "past thesaurus" 25 May 2015. Web. 23 September 2026. <https://smartdefine.org/past/thesaurus/synonyms> |