14
lost(adjective, complete, severe, absolute, out)
12
irreparable(adjective, severe, unable, hopelessness, unchangeable)
11
gone(adjective, sad, hidden, hopeless, forlorn)
10
irredeemable(adjective, hopelessness, irretrievable)
9
irreclaimable(adjective, hopelessness, irretrievable)
9
irretrievable(adjective, sad, anxious, worried, distressed)
8
irremediable(adjective, hopelessness, irretrievable)
8
unrecoverable
7
extinct(adjective, forgotten, the past)
7
forgotten(adjective, forgotten, the past)
7
incurable(adjective, hopelessness)
6
elapsed(adjective, forgotten, the past)
6
incorrigible(adjective, hopelessness)
6
irreversible(adjective, severe, broken, hopelessness, unchangeable)
5
irrevocable(adjective, severe, out, hidden, lost)
5
remediless
4
cureless
4
expired
3
bygone
3
immedicable
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APASmart Define. (2015). irrecoverable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/irrecoverable/thesaurus/synonyms
ChicagoSmart Define. 2015. "irrecoverable thesaurus" https://smartdefine.org/irrecoverable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, irrecoverable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/irrecoverable/thesaurus/synonyms>.
MLASmart Define. "irrecoverable thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/irrecoverable/thesaurus/synonyms>