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

Reiter achieves this impressive combination by building its mini-bus-like body from carbon fiber, delivering an empty vehicle cabin with high torsional rigidity, a very low weight and a roof capacity up to 1,100 lb (500 kg). —C.c. Weiss march 05, New Atlas, 5 Mar. 2026

This trend rejects rigidity in favor of free-form seating that doesn't box users in and force them into prescribed spots. —Lee Wallender, The Spruce, 4 Mar. 2026

The rigidity of that system is one of the reasons Liu quit the sport at 16, before deciding to return, on her own terms, two years later. —Alice Park, Time, 22 Feb. 2026

Over time, the concept of resistance evolved into a broader identity, one rooted in challenging industry rigidity with humor and approachability. —Lyssanoel Frater, USA Today, 19 Feb. 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