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 Dutch were the neutral’s favourites throughout World Cup 1974, their Total Football taking the game to a new level, and delighting supporters with their fluidity, high defensive line and commitment to keep on attacking. — Michael Cox, New York Times, 1 July 2026

Androgynous haircuts focus on self-expression, individuality, and fluidity rather than traditional labels. — Genesis Rivas, InStyle, 1 July 2026

The fluidity of the fabrics felt perfectly in tune with the soaring Paris temperatures. — Rhonda Richford, Footwear News, 29 June 2026

After the final friendly, when a reporter remarked on the team's fluidity and intensity, Pochettino looked satisfied. — Becky Sullivan, NPR, 27 June 2026

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