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.
Researchers have developed a super agile robot that can shapeshift using a special electro-morphing gel, mimicking the fluidity and adaptability of the comic book anti-hero Venom. Neetika Walter, Interesting Engineering, 16 Oct. 2025 The interplay of structure and fluidity, anchored in luxurious materials, created a collective language of empowerment — a celebration of the body, craftsmanship and emotion. Sandra Salibian, Footwear News, 15 Oct. 2025 This was a team that did not include Jude Bellingham, Phil Foden, Harry Kane, Jack Grealish, Trent Alexander-Arnold et al, but there was a fluidity to England’s play that was evident from the opening minute. Mark Carey, New York Times, 10 Oct. 2025 Another topic touched on in the film is gender fluidity. Katherine Schaffstall, HollywoodReporter, 7 Oct. 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 Oct. 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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