Certain
Certain adjective - Not capable of being challenged or proved wrong.
Usage example: up to this point there's been no certain evidence that a crime has been committed
Incontestable is a synonym for certain in unquestionable topic. In some cases you can use "Incontestable" instead an adjective "Certain", when it comes to topics like unequivocal, indisputable.
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
Certain is a synonym for incontestable in unequivocal topic. You can use "Certain" instead an adjective "Incontestable", if it concerns topics such as indisputable, sure.
Nearby Word: incontestability
Mutual synonyms
Related pairs
- clear and certain
- clear and incontestable
- fixed and certain
- fixed and incontestable
- positive and certain
- positive and incontestable
- definite and certain
- definite and incontestable
- reliable and certain
- reliable and incontestable
- unquestionable and certain
- unquestionable and incontestable
- confident and certain
- confident and incontestable
Cite this Source
Incontestable and Certain. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/certain/incontestable
Certain & Incontestable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/certain/incontestable>.
Incontestable or Certain. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/certain/incontestable.
Google Ngram Viewer shows how "certain" and "incontestable" have occurred on timeline