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 technique is refreshing, but the problem is that nothing is allowed to build. Theater Critic, Los Angeles Times, 22 Apr. 2026 Jaafar Jackson does bear an uncanny resemblance to his late uncle, and clearly knows how to replicate his signature moves, his physical fluidity, his beaming smile reserved for fans, animals, and hospital residents. David Fear, Rolling Stone, 21 Apr. 2026 With its flexible and seamless coil designs crafted in steel, yellow gold studs dot the surface for both depth and a refined contrast and a sense of fluidity. Fairchild Studio, Footwear News, 20 Apr. 2026 With form, confidence and fluidity in short supply, most expected Arsenal to sit in and lean on their defensive nous. James McNicholas, New York Times, 20 Apr. 2026 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

Browse Nearby Words

Cite this Entry

“Fluidity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fluidity. Accessed 26 Apr. 2026.

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

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