Irregular
Irregular adjective - Not having a level or smooth surface.
Usage example: although the moon looks smooth from here, it actually has a very bumpy and irregular surface
Rough is a synonym for irregular in uneven topic. In some cases you can use "Rough" instead the word "Irregular" as an adjective or a noun, when it comes to topics like property, bumpy. popular alternative
Nearby Words: irregularity, irregularly
Cite this Source
Rough and Irregular. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/irregular/rough
Irregular & Rough. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/irregular/rough>.
Rough or Irregular. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/irregular/rough.
Google Ngram Viewer shows how "irregular" and "rough" have occurred on timeline