Functional and Undoable

Opposite meaning words

Functional adjective - Being in effective operation.

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Undoable is an antonym for functional.

Undoable adjective - Incapable of being solved or accomplished.

Usage example: a combat mission of that type is not only undoable, it's foolish

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Functional is an antonym for undoable.

Cite this Source

Undoable and Functional. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/functional/undoable

Functional & Undoable. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/functional/undoable>.

Undoable or Functional. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/functional/undoable.

Google Ngram Viewer shows how "functional" and "undoable" have occurred on timeline