61 entries under obsolete topic. ×
| passé(adjective, feature, characteristic, dull, hard) | |
| old-fashioned(adjective, feature, characteristic, dull, trait) | |
| antiquated(adjective, feature, characteristic, dull, hard) | |
| dated(adjective, feature, characteristic, dull, trait) | |
| outdated(adjective, feature, characteristic, dull, trait) | |
| superannuated(adjective, feature, characteristic, trait, original) | |
| outmoded(adjective, feature, characteristic, dull, trait) | |
| antique(adjective, feature, characteristic, dull, trait) | |
| archaic(adjective, feature, characteristic, dull, flat) | |
| old(adjective, feature, characteristic, dull, hard) | |
| demode(adjective, feature, characteristic, trait, last) | |
| extinct(adjective, feature, characteristic, trait, dead) | |
| bygone(adjective, new, last, original, dead) | |
| outworn(odd, old, primitive, unfashionable, outdated) | |
| fusty(adjective, dull, hard, new, tired) | |
| old-time(adjective, dull, new, last, original) | |
| ancient(adjective, dead, odd, old, past) | |
| antediluvian(old, venerable, antique, antiquated) | |
| hoary(adjective, flat, stupid, ordinary, dry) | |
| olden(adjective, original, dead, odd, old) |
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| APA | Smart Define. (2015). out-of-date thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/out-of-date/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "out-of-date thesaurus" https://smartdefine.org/out-of-date/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, out-of-date thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/out-of-date/thesaurus/synonyms>. |
| MLA | Smart Define. "out-of-date thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/out-of-date/thesaurus/synonyms> |