fluidity
noun
flu·id·i·ty
flü-ˈi-də-tē 
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
For McGarvey, arriving at those kinds of solutions for both practical and aesthetic problems speaks to the fluidity of his collaboration with Ramsey.
—
Jim Hemphill, IndieWire, 7 Jan. 2026
Now, Atlas can cartwheel, dance, run with human-like fluidity, twist its arms, head and torso 360 degrees, and pick itself up off of the floor using only its feet.
—Will Croxton, CBS News, 5 Jan. 2026
Steve Svekis, Assistant Sports Editor The one thing that has been a constant more than anything else when the Dolphins play in cold weather is the inability to tackle with fluidity and ferocity.
—Kenny Rosarion, Sun Sentinel, 5 Jan. 2026
What stands out is not just the ability to climb stairs, something already demonstrated by other quadruped robots, but the speed and fluidity with which the D5 switches between locomotion modes.
—Kaif Shaikh, Interesting Engineering, 5 Jan. 2026
See All Example Sentences for fluidity
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Jim Hemphill, IndieWire, 7 Jan. 2026
Now, Atlas can cartwheel, dance, run with human-like fluidity, twist its arms, head and torso 360 degrees, and pick itself up off of the floor using only its feet.
—Will Croxton, CBS News, 5 Jan. 2026
Steve Svekis, Assistant Sports Editor The one thing that has been a constant more than anything else when the Dolphins play in cold weather is the inability to tackle with fluidity and ferocity.
—Kenny Rosarion, Sun Sentinel, 5 Jan. 2026
What stands out is not just the ability to climb stairs, something already demonstrated by other quadruped robots, but the speed and fluidity with which the D5 switches between locomotion modes.
—Kaif Shaikh, Interesting Engineering, 5 Jan. 2026
See All Example Sentences for fluidity
Cite this Entry
“Fluidity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fluidity. Accessed 10 Jan. 2026.
Copy CitationKids Definition
fluidity
noun
flu·id·i·ty
flü-ˈid-ət-ē
: the quality or state of being fluid
Medical Definition
fluidity
noun
flu·id·i·ty
flü-ˈid-ət-ē
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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