Doubtable and Incontestable

Doubtable

Doubtable adjective - Giving good reason for being doubted, questioned, or challenged.
Usage example: her argument rested entirely upon some highly doubtable logic

Incontestable is an antonym for doubtable.

Nearby Words: doubt, doubtful, doubting, doubted, doubter

Incontestable

Incontestable adjective - Not capable of being challenged or proved wrong.
Usage example: the incontestable statement that every contest has a winner and a loser

Doubtable is an antonym for incontestable.

Nearby Word: incontestability
Cite this Source
Incontestable and Doubtable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/doubtable/incontestable
Doubtable & Incontestable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/doubtable/incontestable>.
Incontestable or Doubtable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/doubtable/incontestable.
Google Ngram Viewer shows how "doubtable" and "incontestable" have occurred on timeline