Impossible
Impossible adjective - Incapable of being solved or accomplished.
Usage example: fitting everything in my backpack seemed an impossible task
Undoable and impossible are semantically related. In some cases you can use "Undoable" instead an adjective "Impossible". informal substitute
Nearby Words: impossibility, impossibly
Undoable
Undoable adjective - Incapable of being solved or accomplished.
Usage example: a combat mission of that type is not only undoable, it's foolish
Impossible and undoable are semantically related. You can use "Impossible" instead an adjective "Undoable".
Mutual synonyms
Related pairs
- implausible and impossible
- implausible and undoable
- hopeless and impossible
- hopeless and undoable
- incredible and impossible
- incredible and undoable
- unbelievable and impossible
- unbelievable and undoable
- absurd and impossible
- absurd and undoable
- preposterous and impossible
- preposterous and undoable
- inconceivable and impossible
- inconceivable and undoable
Cite this Source
Undoable and Impossible. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/impossible/undoable
Impossible & Undoable. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/impossible/undoable>.
Undoable or Impossible. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/impossible/undoable.
Google Ngram Viewer shows how "impossible" and "undoable" have occurred on timeline