Plane and Undulatory
Opposite meaning words
Plane
Plane adjective - Having a surface without bends, breaks, or irregularities.
Usage example: you can do these tracings on any plane surface
Undulatory is an antonym for plane.
Undulatory
Undulatory adjective - Resembling waves in form or outline or motion.
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Synonyms for Undulatory
Plane is an antonym for undulatory.
Cite this Source
Undulatory and Plane. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/plane/undulatory
Plane & Undulatory. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/plane/undulatory>.
Undulatory or Plane. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/plane/undulatory.
Google Ngram Viewer shows how "plane" and "undulatory" have occurred on timeline