Fluctuating
Fluctuating adjective - Likely to change frequently, suddenly, or unexpectedly.
Undulate and fluctuating are semantically related. in vacillate topic. In some cases you can use "Undulate" instead a verb "Fluctuating".
Undulate
Undulate verb - Move in a wavy pattern or with a rising and falling motion.
Show all Definitions
Synonyms for Undulate
Fluctuating and undulate are semantically related. Sometimes you can replace term "Fluctuating" with "Undulate", this verbs are similar.
Cite this Source
Undulate and Fluctuating. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/fluctuating/undulate
Fluctuating & Undulate. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/fluctuating/undulate>.
Undulate or Fluctuating. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/fluctuating/undulate.
Google Ngram Viewer shows how "fluctuating" and "undulate" have occurred on timeline