50 entries under lacking topic. ×

18
departed(adjective, split, quit, negative, dead)
16
absent(adjective, split, quit, careless, negative)
15
dead(adjective, split, quit, cold, new)
15
extinct(adjective, split, quit, new, negative)
14
vanished(adjective, split, quit, new, dead)
12
defunct(adjective, split, quit, new, negative)
10
missing(verb, adjective, get, split, negative)
9
astray(adjective, adverb, split, unstable, seek)
9
dissipated(verb, adjective, split, dead)
7
past(adjective, split, finished, gone)
6
away(split, finished, removed, absent)
6
down the drain(expression, adjective, idiom, split)
5
deceased(adjective, split, dead, late, away)
5
passed(split, away, finished, absent)
5
spent(adjective, split, out, away)
4
consumed(adjective, split, quit, dead, tired)
4
elapsed(verb, adjective, split, away)
3
out the window(expression, adjective, idiom, split, quit)
2
dissolved(verb, split, away, finished)
2
no more(expression, split, away, finished)
<123>
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APASmart Define. (2016). lost thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/lost/thesaurus/synonyms
ChicagoSmart Define. 2016. "lost thesaurus" https://smartdefine.org/lost/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, lost thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/lost/thesaurus/synonyms>.
MLASmart Define. "lost thesaurus" 17 February 2016. Web. 20 September 2026. <https://smartdefine.org/lost/thesaurus/synonyms>