110 entries under adjective topic. ×

24
lost(verb, sad, unhappy, miserable)
10
abandoned(sad, unhappy, gloomy, miserable)
10
disregarded(verb, neglected)
10
extinct(dead, past, lost, previous)
9
bygone(out, past, oblivion, the past)
9
past(out, preceding, done, the past)
9
obliterated(verb, out, forgot)
8
gone(dead, out, past, lost)
8
antiquated(dead, past, lost, previous)
8
elapsed(verb, the past, forgot)
8
neglected(verb, neglected, forgot)
8
omitted(verb, out, excluded, forgot)
6
forlorn(hopeless, desolate, inconsolable)
5
irrecoverable
5
blown over(verb, expression, phrasal verb, out)
5
erased(verb, out, forgot)
5
lapsed(out, the past)
4
unremembered(out, oblivion)
4
archaic(dead, past, lost, previous)
4
vanished(dead, past, lost, previous)
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APASmart Define. (2015). forgotten thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/forgotten/thesaurus/synonyms
ChicagoSmart Define. 2015. "forgotten thesaurus" https://smartdefine.org/forgotten/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, forgotten thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/forgotten/thesaurus/synonyms>.
MLASmart Define. "forgotten thesaurus" 30 October 2015. Web. 23 September 2026. <https://smartdefine.org/forgotten/thesaurus/synonyms>