Flow
Flow noun - The motion characteristic of fluids (liquids or gases).
Undulation and flow are semantically related. In some cases you can use "Undulation" instead a noun "Flow".
Undulation
Undulation noun - Wavelike motion; a gentle rising and falling in the manner of waves.
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Synonyms for Undulation
Flow and undulation are semantically related. Sometimes you can use "Flow" instead a noun "Undulation".
Cite this Source
Undulation and Flow. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/flow/undulation
Flow & Undulation. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/flow/undulation>.
Undulation or Flow. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/flow/undulation.
Google Ngram Viewer shows how "flow" and "undulation" have occurred on timeline