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.
Tate not only ran the offense with fluidity and precision but played excellent defense on junior guard Travis Brown. Patrick Z. McGavin, Chicago Tribune, 9 Feb. 2026 Under Rosenior, Chelsea lean more into rotations and fluidity. Cerys Jones, New York Times, 8 Feb. 2026 There’s a timeless feeling of childhood in the unstructured fluidity of their day, teetering on the border of dreaminess and boredom, its possibilities both expanded and limited by the boys’ imagination. Richard Brody, New Yorker, 6 Feb. 2026 With a body of work that included film, TV and theater over four decades, Keller was known for the fluidity of his visual style and eliciting strong performances. Greg Evans, Deadline, 6 Feb. 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 16 Feb. 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

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!

More from Merriam-Webster