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

The rest are available in the original French editions — but in most cases, the richness and fluidity of the images convey their stories regardless of language. —Ernesto Lechner, HollywoodReporter, 13 Nov. 2025

Additionally, its synthetic skin is engineered to mimic the firmness and fluidity of real human facial movement. —Georgina Jedikovska, Interesting Engineering, 12 Nov. 2025

With exceptionally long arms plus the ability to dribble, pass and shoot with fluidity, Carr could become a first-round pick despite little offseason hype. —Sam Vecenie, New York Times, 11 Nov. 2025

The silhouette of the dress was mostly fitted, but with the draping element and asymmetric design, the frock featured some fluidity of movement. —Julia Teti, Footwear News, 6 Nov. 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