2
impossible(adjective, impractical, impracticable, unrealizable)
2
infeasible(adjective, impractical, impracticable, unrealizable)
2
unfeasible(adjective, impractical, impracticable, unrealizable)
2
unworkable(adjective, impractical, impracticable, unrealizable)
0
abolishable
0
abrogable
0
abstract
0
absurd
0
academic
0
actual
0
armchair
0
authentic
0
authenticated
0
bona fide
0
confirmed
0
convertible
0
correctable
0
corrected
0
corrigible
0
curable
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APASmart Define. (2015). undoable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/undoable/thesaurus/related
ChicagoSmart Define. 2015. "undoable thesaurus" https://smartdefine.org/undoable/thesaurus/related (accessed September 20, 2026).
HarvardSmart Define 2015, undoable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/undoable/thesaurus/related>.
MLASmart Define. "undoable thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/undoable/thesaurus/related>