24 entries under the past topic. ×
| extinct(adjective, dead, past, lost, previous) | |
| bygone(adjective, out, past, oblivion) | |
| past(adjective, out, preceding, done) | |
| gone(adjective, dead, out, past, lost) | |
| elapsed(verb, adjective, forgot) | |
| irrecoverable | |
| antebellum | |
| blown over(verb, expression, adjective, phrasal verb, out) | |
| expired | |
| lapsed(adjective, out) | |
| obsolete | |
| antediluvian | |
| exploded | |
| gone by(verb, expression, adjective, phrasal verb, dead) | |
| run out(verb, expression, phrasal verb) | |
| over | |
| foregone | |
| has-been | |
| no more(expression, idiom) | |
| passed away(verb, phrasal verb) |
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| APA | Smart Define. (2015). forgotten thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/forgotten/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "forgotten thesaurus" https://smartdefine.org/forgotten/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, forgotten thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/forgotten/thesaurus/synonyms>. |
| MLA | Smart Define. "forgotten thesaurus" 30 October 2015. Web. 28 September 2026. <https://smartdefine.org/forgotten/thesaurus/synonyms> |