62 entries under ancient topic. ×
| lost(adjective, dead, past, previous, obsolete) | |
| moth-eaten(adjective, hard, last, original, tired) | |
| of old(expression, last, original, dead, odd) | |
| oldfangled(last, original, dead, odd, old) | |
| past(adjective, hard, last, original, dead) | |
| stale(adjective, hard, flat, ordinary, dry) | |
| timeworn(adjective, hard, tired, old, sour) | |
| unoriginal(adjective, dull, hard, last, original) | |
| aboriginal(last, original, past, other, obsolete) | |
| cast-off(waste, last, past, other, rejected) | |
| crumbling(last, original, past, other, obsolete) | |
| decayed(adjective, hard, last, original, remote) | |
| defunct(adjective, dead, past, lost, previous) | |
| departed(adjective, dead, past, lost, previous) | |
| done(last, original, past, other, obsolete) | |
| down memory lane(expression, adjective, idiom, dead, past) | |
| erstwhile(adjective, last, original, dead, remote) | |
| forgotten(adjective, dead, past, lost, previous) | |
| former(adjective, last, original, dead, remote) | |
| gone(adjective, dead, past, lost, previous) |
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| APA | Smart Define. (2015). out-of-date thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/out-of-date/thesaurus/synonyms |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 "out-of-date thesaurus" https://smartdefine.org/out-of-date/thesaurus/synonyms (accessed October 2, 2026). |
| Harvard | Smart Define 2015, out-of-date thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/out-of-date/thesaurus/synonyms>. |
| MLA | Smart Define. "out-of-date thesaurus" 13 April 2015. Web. 2 October 2026. <https://smartdefine.org/out-of-date/thesaurus/synonyms> |