Possible and Undoable
Opposite meaning words
Possible
Possible adjective - Capable of being done or carried out.
Usage example: I think that building the entire set in two days is possible, albeit difficult
Nearby Words: possibility, possibly
Undoable
Undoable adjective - Incapable of being solved or accomplished.
Usage example: a combat mission of that type is not only undoable, it's foolish
Cite this Source
Undoable and Possible. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/possible/undoable
Possible & Undoable. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/possible/undoable>.
Undoable or Possible. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/possible/undoable.
Google Ngram Viewer shows how "possible" and "undoable" have occurred on timeline