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

ProMotion isn't a necessary feature, but since Apple added it to the iPhone 13 Pro in 2021, the extra fluidity and smoothness, plus the always-on display feature, have been big selling points for the Pro phones. —ArsTechnica, 25 Sep. 2025

The title In Between evokes fluidity and transition, which naturally brings to mind queerness. —Caterina De Biasio, Vogue, 25 Sep. 2025

Still, New York wasn't satisfied by finishing outside of the Finals proper, and ultimately swapped in Mike Brown for Tom Thibodeau to get a bit more offensive fluidity. —Alex Kirschenbaum, MSNBC Newsweek, 20 Sep. 2025

Performing with a winning combination of in-the-moment fluidity and pinpoint precision, the star of the night and his group instantly ignited. —George Varga, San Diego Union-Tribune, 20 Sep. 2025

Word History

First Known Use

1603, in the meaning defined at sense 1

Rhymes for fluidity

• acidity
• aridity
• avidity
• cupidity
• humidity
• liquidity
• lucidity
• morbidity
• placidity
• rancidity
• rapidity
• rigidity

Kids 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