8
irrecoverable
4
irretrievable
3
irreparable(adjective, unable)
3
lost
3
unretrievable
2
irredeemable
2
irremediable
2
unredeemable
1
impossible
1
incorrigible
1
incurable
1
irreplaceable
1
irrevocable
1
unachievable
1
unchangeable
1
uncollectable
0
all gone
0
by the board
0
done for
0
down the tubes
<12>
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APASmart Define. (2013). unrecoverable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unrecoverable/thesaurus/synonyms
ChicagoSmart Define. 2013. "unrecoverable thesaurus" https://smartdefine.org/unrecoverable/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, unrecoverable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unrecoverable/thesaurus/synonyms>.
MLASmart Define. "unrecoverable thesaurus" 28 June 2013. Web. 20 September 2026. <https://smartdefine.org/unrecoverable/thesaurus/synonyms>