Be sure
Uncertain
Uncertain adjective - Likely to change frequently, suddenly, or unexpectedly.
Nearby Words: uncertainty, uncertainly
Both terms in one sentence
-
It's the Only Way to Be Sure: The laboratory has a self-destruct device, though whether it is intended to prevent the virus from spreading or to destroy the evidence is uncertain.
Cite this Source
Uncertain and Be sure. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/be_sure/uncertain
Be sure & Uncertain. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/be_sure/uncertain>.
Uncertain or Be sure. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/be_sure/uncertain.
Google Ngram Viewer shows how "be sure" and "uncertain" have occurred on timeline