fluidity

noun

flu·​id·​i·​ty flü-ˈi-də-tē How to pronounce fluidity (audio)
1
: the quality or state of being fluid
2
: the physical property of a substance that enables it to flow

Examples of fluidity in a Sentence

Recent Examples on the Web
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.
The fluidity of the emerging system makes balancing these goals both more urgent and more difficult. Hussein Kalout, Foreign Affairs, 2 Sep. 2025 The market and customer feel ready for this — there is a desire for ease and fluidity. Jean E. Palmieri, Footwear News, 2 Sep. 2025 The true beauty of this Mercury group is their fluidity. Shane Young, Forbes.com, 30 Aug. 2025 Clear-eyed and forthright about the fallout of fractured families, the film also weaves a dreamscape of sorts out of meditative interludes of skate footage that provide fluidity in a shape-shifting narrative. David Rooney, HollywoodReporter, 28 Aug. 2025 See All Example Sentences for fluidity

Word History

First Known Use

1603, in the meaning defined at sense 1

Time Traveler
The first known use of fluidity was in 1603

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Cite this Entry

“Fluidity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fluidity. Accessed 8 Sep. 2025.

Kids Definition

fluidity

noun
flu·​id·​i·​ty flü-ˈid-ət-ē How to pronounce fluidity (audio)
: the quality or state of being fluid

Medical Definition

fluidity

noun
flu·​id·​i·​ty flü-ˈid-ət-ē How to pronounce fluidity (audio)
plural fluidities
1
: the quality or state of being fluid
2
a
: the physical property of a substance that enables it to flow
b
: the reciprocal of viscosity

More from Merriam-Webster on fluidity

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