| lost(verb, adjective, sad, unhappy, miserable) | |
| abandoned(adjective, sad, unhappy, gloomy, miserable) | |
| bygone(adjective, past, oblivion, the past) | |
| past(adjective, preceding, done, the past) | |
| obliterated(verb, adjective, forgot) | |
| gone(adjective, dead, past, lost) | |
| omitted(verb, adjective, excluded, forgot) | |
| blown over(verb, expression, adjective, phrasal verb) | |
| erased(verb, adjective, forgot) | |
| lapsed(adjective, the past) | |
| unremembered(adjective, oblivion) | |
| blanked out | |
| buried | |
| disremembered | |
| drew a blank | |
| fell between the cracks | |
| past recollection(expression, adjective, idiom, oblivion) | |
| blotted out | |
| clean forgot | |
| consigned to oblivion |
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| APA | Smart Define. (2015). forgotten thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/forgotten/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "forgotten thesaurus" https://smartdefine.org/forgotten/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, forgotten thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/forgotten/thesaurus/synonyms>. |
| MLA | Smart Define. "forgotten thesaurus" 30 October 2015. Web. 23 September 2026. <https://smartdefine.org/forgotten/thesaurus/synonyms> |