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
Conclusive is a synonym for certain in known topic. In some cases you can use "Conclusive" instead an adjective "Certain", when it comes to topics like unquestionable, undoubtable.
Conclusive
Conclusive adjective - Serving to put an end to all debate or questioning.
Usage example: the archeological discovery was conclusive proof that the Vikings had indeed settled in North America around 1000 a.d.
Certain is a synonym for conclusive in incontrovertible topic. Sometimes you can use "Certain" instead an adjective "Conclusive".
Mutual synonyms
Related pairs
- clear and certain
- clear and conclusive
- fixed and certain
- fixed and conclusive
- positive and certain
- positive and conclusive
- precise and certain
- precise and conclusive
- definite and certain
- definite and conclusive
- unquestionable and certain
- unquestionable and conclusive
- absolute and certain
- absolute and conclusive
Cite this Source
Conclusive and Certain. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/certain/conclusive
Certain & Conclusive. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/certain/conclusive>.
Conclusive or Certain. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/certain/conclusive.
Google Ngram Viewer shows how "certain" and "conclusive" have occurred on timeline