Swell
Swell verb - To become greater in extent, volume, amount, or number.
Undulating and swell are semantically related. In some cases you can replace term "Undulating" with "Swell", this verbs are similar.
Nearby Word: swelling
Undulating
Swell and undulating are semantically related. Sometimes you can use "Swell" instead a verb "Undulating".
Cite this Source
Undulating and Swell. (2016). Retrieved 2026, August 09, from https://thesaurus.plus/related/swell/undulating
Swell & Undulating. N.p., 2016. Web. 09 Aug. 2026. <https://thesaurus.plus/related/swell/undulating>.
Undulating or Swell. 2016. Accessed August 09, 2026. https://thesaurus.plus/related/swell/undulating.
Google Ngram Viewer shows how "swell" and "undulating" have occurred on timeline