30 entries under lost topic. ×
| erstwhile(adjective, last, original, dead, late) | |
| former(adjective, adverb, order, time, last) | |
| sometime(adjective, adverb, last, original, dead) | |
| previous(adjective, adverb, last, dead, late) | |
| late(adjective, last, original, dead, old) | |
| ancient(adjective, dead, late, old, past) | |
| one-time(adjective, last, dead, late, old) | |
| olden(adjective, original, dead, late, old) | |
| extinct(adjective, dead, past, previous) | |
| of yore(expression, adjective, last, original, dead) | |
| antiquated(adjective, last, original, dead, past) | |
| archaic(adjective, last, original, dead, past) | |
| belated(adjective, dead, past, previous) | |
| dated(adjective, last, original, dead, past) | |
| dead(adjective, past, previous, former) | |
| defunct(adjective, dead, past, previous) | |
| departed(adjective, dead, old, past) | |
| down memory lane(expression, idiom, dead, late, old) | |
| forgotten(adjective, dead, past, previous) | |
| gone(adjective, dead, past, previous) |
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| APA | Smart Define. (2015). quondam thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/quondam/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "quondam thesaurus" https://smartdefine.org/quondam/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, quondam thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/quondam/thesaurus/synonyms>. |
| MLA | Smart Define. "quondam thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/quondam/thesaurus/synonyms> |