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

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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 Migraine Migraine, a neurological disorder that can cause throbbing headaches, light sensitivity and visual changes, is particularly sensitive to estrogen fluctuations. — Cheyenne Buckingham, Washington Post, 24 Oct. 2026 Outbreaks like the avian flu can cause significant price fluctuations. — Brittney Melton, NPR, 23 Oct. 2026 Seasonal fluctuations typically provide price relief for drivers in the fall. — ABC News, 22 Oct. 2026 Bosomworth noted that estrogen fluctuations shape recovery and inflammation across the menstrual cycle, making timing and intensity more consequential for women than men. — Samantha Agate, Miami Herald, 22 Oct. 2026 See All Example Sentences for fluctuation
Recent Examples of Synonyms for fluctuation
Noun
  • That means the hairspring can maintain a constant, undisturbed oscillation regardless of external forces, thereby increasing accuracy.
    — Rachel Cormack, Robb Report, 20 Oct. 2026
  • That haziness gets more distorted on the title track, which hits its apex with siren-like oscillations.
    — Cassidy Sollazzo, Pitchfork, 14 Oct. 2026
Noun
  • People heading into the Affordable Care Act open enrollment period with plans to sign up for insurance should expect a variety of changes in 2027, including higher premiums and fewer coverage options.
    — Fatima Hussein, Los Angeles Times, 2 Nov. 2026
  • The second-generation prototype, Max 2, is expected to incorporate several hardware changes.
    — Jijo Malayil, Interesting Engineering, 2 Nov. 2026

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Cite this Entry

“Fluctuation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fluctuation. Accessed 3 Nov. 2026.

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