Questionable and Undebatable

Opposite meaning words

Questionable adjective - Open to question or dispute.

Usage example: whether it will rain today or not is questionable

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Undebatable is an antonym for questionable.

Definitions of Questionable not found.

Questionable is an antonym for undebatable.

Cite this Source

Undebatable and Questionable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/questionable/undebatable

Questionable & Undebatable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/questionable/undebatable>.

Undebatable or Questionable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/questionable/undebatable.

Google Ngram Viewer shows how "questionable" and "undebatable" have occurred on timeline