fluctuation

noun

ˌflək-chə-ˈwā-shən How to pronounce fluctuation (audio)
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

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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 This is because the fluctuations in temperatures that occur in a garage can impact your paint’s expiration date. — Michelle Mastro, The Spruce, 26 June 2026 This helps the Spin inject power into the grid instantly, preventing major grid fluctuations. — Ameya Paleja, Interesting Engineering, 3 July 2026 The bullwhip effect occurs when minor changes in customer demand cause large, chaotic fluctuations in orders further upstream and lead to excess inventory. — Steve Banker, Forbes.com, 1 July 2026 Plant growth can also vary from week to week based upon fluctuations in air and soil temperatures, rainfall and soil moisture levels, sun exposure, and nutrient availability. — Kim Toscano, Southern Living, 25 June 2026 See All Example Sentences for fluctuation
Recent Examples of Synonyms for fluctuation
  1. oscillation
  2. change
Noun
  • Rapid oscillations trigger muscle contractions that can indirectly support lymph movement.
    — Allison Palmer, Kansas City Star, 30 June 2026
  • When two black holes collide, their song ripples through the very fabric of existence, creating a thundering chorus of oscillations in spacetime that echo across the universe like the fading gong of a bell.
    — Sam Macdonald, Scientific American, 26 June 2026
Definition of oscillation
Noun
  • Prices are subject to rapid, unpredictable changes due to factors like, but not limited to, supply/demand, weather, and geopolitical events.
    — USA TODAY, USA Today, 7 July 2026
  • Valerie Castile spoke Monday night about many changes inspired by her son’s death.
    — Tyler Quattrin, Twin Cities, 7 July 2026
Definition of change

Browse Nearby Words

fluctuating
fluctuation
fluctuations
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Cite this Entry

“Fluctuation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fluctuation. Accessed 7 Jul. 2026.

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More from Merriam-Webster on fluctuation

Nglish: Translation of fluctuation for Spanish Speakers

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