Clear
Clear adjective - Having or showing a mind free from doubt.
Usage example: I need to be absolutely clear about what you're saying
Certain is a synonym for clear in unequivocal topic. In some cases you can use "Certain" instead an adjective "Clear", when it comes to topics like incontestable.
Certain
Certain adjective - Having or showing a mind free from doubt.
Usage example: I'm certain that they'll arrive on time
Clear is a synonym for certain in unquestionable topic. You can use "Clear" instead the word "Certain" as an adjective or a verb, if it concerns topics such as unequivocal, incontestable, undoubtable.
Mutual synonyms
Cite this Source
Certain and Clear. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/clear/certain
Clear & Certain. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/clear/certain>.
Certain or Clear. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/clear/certain.
Google Ngram Viewer shows how "clear" and "certain" have occurred on timeline