rigidity

noun

ri·​gid·​i·​ty rə-ˈji-də-tē 

plural rigidities

1

: the quality or state of being rigid

2

: one that is rigid (as in form or conduct)

Synonyms of rigidity

• severity

Examples of rigidity in a Sentence

sometimes the rigidity of the headmaster's discipline was deemed excessive by even much of the faculty

Recent Examples on the Web

The vehicle will additionally incorporate a fuselage-frame structure, in which the body panels themselves create rigidity. —Ben Coxworth may 01, New Atlas, 1 May 2026

Today, Torry maintains a strict health protocol to help delay the onset of tremors, rigidity, and instability as much as possible. —Michael Van Runkle, Robb Report, 1 May 2026

Some of the common symptoms that impact movement include tremors in one or both hands, stiffness (also known as rigidity), slow movements and balance problems. —Mary Eber, CBS News, 27 Apr. 2026

So the researchers first stripped the wood of lignin, the component that gives it color and rigidity. —Rupendra Brahambhatt, Interesting Engineering, 12 Apr. 2026

Word History

First Known Use

1607, in the meaning defined at sense 1

Rhymes for rigidity

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

Medical Definition

rigidity

noun

ri·​gid·​i·​ty rə-ˈjid-ət-ē 

plural rigidities

: the quality or state of being rigid: as

a

: abnormal stiffness of muscle

muscle rigidity symptomatic of Parkinson's disease

—Diane Gershon

b

: emotional inflexibility and resistance to change