Regular
Regular adjective - Having no exceptions or restrictions.
Usage example: your room is a regular sty, and you need to clean it before you can go to the movies
Uncertain
Uncertain adjective - Likely to change frequently, suddenly, or unexpectedly.
Nearby Words: uncertainty, uncertainly
Both words in one sentence
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While it is uncertain if eating before bed caused this, as he sleepwalks Ed eats virtually everything in his path, from regular foods to Edd's cactus to Jimmy (who is thrown up later).
Source: Acid Reflux Nightmare
Cite this Source
Uncertain and Regular. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/regular/uncertain
Regular & Uncertain. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/regular/uncertain>.
Uncertain or Regular. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/regular/uncertain.
Google Ngram Viewer shows how "regular" and "uncertain" have occurred on timeline