Be certain
Clear up and be certain are semantically related. In some cases you can use "Clear up" instead a verb phrase "Be certain".
Clear up
Clear up verb - To make plain or understandable.
Be certain and clear up are semantically related. Sometimes you can use "Be certain" instead a verb "Clear up".
Cite this Source
Clear up and Be certain. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/be_certain/clear_up
Be certain & Clear up. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/be_certain/clear_up>.
Clear up or Be certain. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/be_certain/clear_up.
Google Ngram Viewer shows how "be certain" and "clear up" have occurred on timeline