Regular and Uncertain

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 is an antonym for regular.

Uncertain

Uncertain adjective - Likely to change frequently, suddenly, or unexpectedly.

Regular is an antonym for uncertain.

Nearby Words: uncertainty, uncertainly

Both words in one sentence

  • Acid Reflux Nightmare 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).
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