Irregular and Straight

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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Straight is an antonym for irregular.

Nearby Words: irregularity, irregularly

Straight adjective - Free from irregularities or digressions in course.

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Irregular is an antonym for straight.

Cite this Source

Straight and Irregular. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/irregular/straight

Irregular & Straight. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/irregular/straight>.

Straight or Irregular. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/irregular/straight.

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