Definition of fluctuationnext
as in oscillation
the frequent and usually sudden passing from one condition to another political instability that resulted in wild fluctuations in the overseas stock markets

Synonyms & Similar Words

Relevance

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of fluctuation Given that shift, these companies' financials are exposed to fluctuations in bond yields, according to the strategist. Alex Harring, CNBC, 18 Aug. 2026 Since the digestive tract relies heavily on estrogen, fluctuations during perimenopause and menopause can send both the gut and immune systems into chaos. Cheryl Fenton, Flow Space, 17 Aug. 2026 Your rate can change often based on market fluctuations and Federal Reserve moves. Aly J Yale, CBS News, 17 Aug. 2026 That helps reduce the risk that voltage fluctuations could interfere with the tools healthcare workers depend on. Kurt Knutsson, FOXNews.com, 16 Aug. 2026 See All Example Sentences for fluctuation
Recent Examples of Synonyms for fluctuation
Noun
  • In addition to heart rate, calories burned, distance, duration, elevation, and speed, Samsung smartwatches track advanced running form metrics, including asymmetry, contact time, flight time, regularity, vertical oscillation, and stiffness.
    Andrew Gebhart, PC Magazine, 10 Aug. 2026
  • Five months of oscillation between bombing and negotiation have left Trump with no good options.
    semafor.com, semafor.com, 3 Aug. 2026
Noun
  • Attorneys general from California, Colorado, Kentucky and New Jersey are seeking extensive financial damages plus changes to how the company operates Facebook and Instagram.
    ABC News, ABC News, 18 Aug. 2026
  • Finishing 12th last season was only going to pave the way for change, but losing Anthony Gordon, Sandro Tonali, captain Guimaraes and head coach Eddie Howe does not indicate change for the better.
    George Edwards, New York Times, 18 Aug. 2026

Browse Nearby Words

Cite this Entry

“Fluctuation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fluctuation. Accessed 25 Aug. 2026.

More from Merriam-Webster on fluctuation

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster