Irregular and Vertical

Opposite meaning words

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

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Vertical is an antonym for irregular.

Nearby Words: irregularity, irregularly

Vertical adjective - Rising straight up.

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Irregular is an antonym for vertical.

Nearby Words: vertically, vert

You run around an Amidakuji board, a grid with regular vertical lines and irregular horizontal lines.

Source: Video Game / Amidar

Cite this Source

Vertical and Irregular. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/irregular/vertical

Irregular & Vertical. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/irregular/vertical>.

Vertical or Irregular. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/irregular/vertical.

Google Ngram Viewer shows how "irregular" and "vertical" have occurred on timeline