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.
At the same time, however, the fluidity of A.I. could work against social platforms. Joshua Rothman, New Yorker, 8 Apr. 2025 Within the collection are six designs, each in two colorways, blending geometric precision with the fluidity of organic forms. Sofia Celeste, Footwear News, 7 Apr. 2025 The fluidity of the pieces against the marble and stainless steel interior provided great contrast. Libby Page, Vogue, 4 Apr. 2025 Here’s another — albeit less successful — example of the unusual fluidity of Argentina’s side. Michael Cox, New York Times, 26 Mar. 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 19 Apr. 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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