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

If anything, cigarettes take it a step further; offering a tactile respite that counters the plastic rigidity of vapes. —Gabriella Onessimo, Allure, 23 Jan. 2026

The approach reduces part count while increasing rigidity and lowering overall vehicle weight. —Aamir Khollam, Interesting Engineering, 21 Jan. 2026

Gold’s supply curve is significantly more inflexible than markets assume — and this rigidity is important when demand is driven by structural factors rather than speculation. —Trefis Team, Forbes.com, 20 Jan. 2026

The Hebrew word gevurah (strength) does not mean rigidity. —Rabbi Bruce D. Forman, Sun Sentinel, 13 Jan. 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