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 There was some fluctuation depending on the month. Danielle Echeverria, San Francisco Chronicle, 2 Apr. 2026 Women’s Health Network notes that hormonal fluctuations trigger cortisol release that actively derails the circadian sleep cycle, and women in this transition are more vulnerable to adrenal stress responses than at any other life stage. Allison Palmer, Kansas City Star, 1 Apr. 2026 Hormonal fluctuations trigger cortisol release that derails the normal circadian sleep cycle, and women in this transition are more vulnerable to adrenal stress responses. Allison Palmer, Sacbee.com, 1 Apr. 2026 To look at the leftover glow from the Big Bang, at the spectrum of temperature fluctuations (and also at the polarization) imprinted when neutral atoms first formed and the Universe became transparent to radiation. Big Think, 1 Apr. 2026 See All Example Sentences for fluctuation
Recent Examples of Synonyms for fluctuation
Noun
  • European markets’ Tuesday oscillations followed a four-day Easter break, after finishing Thursday’s session in mixed territory.
    Hugh Leask,Joseph Wilkins, CNBC, 7 Apr. 2026
  • Since high-frequency acoustic oscillations can also be used to manipulate quantum states, phonon lasers could be deployed to study them in greater detail and open avenues for future quantum sensing and quantum computing.
    Ameya Paleja, Interesting Engineering, 30 Mar. 2026
Noun
  • The life of the rural region is framed in airy and luminous wide-screen images that recur with a lyrical vision of vast arcs of time amid dramatic social change.
    Richard Brody, New Yorker, 3 Apr. 2026
  • Prepare for another massive change with temps jumping again in the Philadelphia region.
    Bill Kelly, CBS News, 3 Apr. 2026

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Cite this Entry

“Fluctuation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fluctuation. Accessed 10 Apr. 2026.

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