Practical and Undoable

Practical

Practical adjective - Capable of being put to use or account.

Undoable is an antonym for practical.

Undoable

Undoable adjective - Incapable of being solved or accomplished.
Usage example: a combat mission of that type is not only undoable, it's foolish

Practical is an antonym for undoable.
Cite this Source
Undoable and Practical. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/practical/undoable
Practical & Undoable. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/practical/undoable>.
Undoable or Practical. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/practical/undoable.
Google Ngram Viewer shows how "practical" and "undoable" have occurred on timeline