Regular and Unsmooth

Regular

Regular adjective - In accordance with fixed order or procedure or principle.
Usage example: regular duties

Unsmooth is an antonym for regular.

Unsmooth

Unsmooth adjective - Having or caused by an irregular surface.

Regular is an antonym for unsmooth in not smooth or balanced topic.
Cite this Source
Unsmooth and Regular. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/regular/unsmooth
Regular & Unsmooth. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/regular/unsmooth>.
Unsmooth or Regular. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/regular/unsmooth.
Google Ngram Viewer shows how "regular" and "unsmooth" have occurred on timeline