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.
But generative AI introduces uncertainty, autonomy and fluidity. Gopikrishnan Anilkumar, Forbes.com, 25 July 2025 That’s due in part to the fluidity and intense candor of each member’s writing. Leah Lu, Rolling Stone, 15 July 2025 For Madrid fans, the good news is that flexibility and fluidity is starting to show under Alonso, in and out of possession. Mark Carey, New York Times, 7 July 2025 Their work frequently incorporates significant vintage and contemporary collectible design pieces, and strives for a fluidity between the architecture and the furnishings. Dan Howarth, Architectural Digest, 7 July 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

Browse Nearby Words

Cite this Entry

“Fluidity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fluidity. Accessed 2 Aug. 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!