Ridge
Ridge noun - The line formed when two sloping surfaces come together along their topmost edge.
Show all Definitions
Synonyms for Ridge
Undulation and ridge are semantically related. In some cases you can use "Undulation" instead a noun "Ridge".
Nearby Words: ridged, ridging, ridgy
Undulation
Undulation noun - Wavelike motion; a gentle rising and falling in the manner of waves.
Show all Definitions
Synonyms for Undulation
Ridge and undulation are semantically related. Sometimes you can use "Ridge" instead a noun "Undulation".
Cite this Source
Undulation and Ridge. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/ridge/undulation
Ridge & Undulation. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/ridge/undulation>.
Undulation or Ridge. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/ridge/undulation.
Google Ngram Viewer shows how "ridge" and "undulation" have occurred on timeline