Undulating
Vacillating and undulating are semantically related. In some cases you can use "Vacillating" instead an adjective "Undulating".
Vacillating
Vacillating adjective - Uncertain in purpose or action.
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Synonyms for Vacillating
Undulating and vacillating are semantically related. Sometimes you can use "Undulating" instead an adjective "Vacillating".
Mutual synonyms
Cite this Source
Vacillating and Undulating. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/undulating/vacillating
Undulating & Vacillating. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/undulating/vacillating>.
Vacillating or Undulating. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/undulating/vacillating.
Google Ngram Viewer shows how "undulating" and "vacillating" have occurred on timeline