flu·​id·​i·​ty | \flü-ˈi-də-tē \

Definition of fluidity 

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

Where there was once fluidity and speed, Google has now introduced frustration. Vlad Savov, The Verge, "Android’s new multitasking is terrible and should be changed back," 20 Oct. 2018 Instead, the balayage gives her hair depth and fluidity. Devon Abelman, Allure, "Cool-Toned Balayage Is the Unexpected Technique That Adds Dimension to Dark Hair," 13 Sep. 2018 Bethany Pickens played piano alongside Harrison, and her work here and elsewhere on the program reminded listeners of the high craft, musical intelligence and fluidity her pianism. Howard Reich, chicagotribune.com, "Stars and students pay tribute to piano giant Willie Pickens," 19 Apr. 2018 Ward is the class of his position and demonstrates both the fluidity and ball skills to make life difficult for all kinds of opposing receivers. 12. Michael Middlehurst-schwartz, USA TODAY, "NFL mock draft 2018: Josh Allen, Baker Mayfield could be biggest QB dominoes," 16 Apr. 2018 While the Michael Langdon character is coded as male, his gender fluidity is at the heart of his appeal. Nadra Nittle, Vox, "American Horror Story fans are dressing like the show’s seductive Antichrist," 24 Oct. 2018 Silhouettes are framed by movement and fluidity in fabric, and a softness to the shape of the garments. Kerry Pieri, Harper's BAZAAR, "AYR Finds the Perfect Middle," 21 Nov. 2014 Jennifer Garner took the idea to the ultimate red carpet at the Oscars in a fringe dress by Oscar de la Renta and later that same evening, Miranda Kerr melded the ideas of bling and fluidity in a gown by Kaufman Franco. Kerry Pieri, Harper's BAZAAR, "Sparkle and Shine," 7 Mar. 2014 And the entire thing is masterfully puppeteered by Zaytoven, who dictates Future’s emotional fluidity at will, pushing and pulling his collaborator to varying heights at a moment’s notice. Will Schube, Billboard, "Zaytoven and Future Are Just Like Bruddas on 'Beast Mode 2'," 9 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fluidity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of fluidity

1603, in the meaning defined at sense 1

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Statistics for fluidity

Last Updated

4 Dec 2018

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Time Traveler for fluidity

The first known use of fluidity was in 1603

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More Definitions for fluidity


flu·​id·​i·​ty | \flü-ˈid-ət-ē \
plural fluidities

Medical Definition of fluidity 

1 : the quality or state of being fluid

2a : the physical property of a substance that enables it to flow

b : the reciprocal of viscosity

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More from Merriam-Webster on fluidity

Rhyming Dictionary: Words that rhyme with fluidity

Spanish Central: Translation of fluidity

Nglish: Translation of fluidity for Spanish Speakers

Britannica.com: Encyclopedia article about fluidity

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to enclose within walls

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