validity

noun

va·​lid·​i·​ty və-ˈli-də-tē 

va-

: the quality or state of being valid: such as

a

: the state of being acceptable according to the law

The validity of the contract is being questioned.

What the federal courts have ruled … is that renunciations made behind barbed wire were essentially under duress, and thus of no legal validity.

—Roger Daniels

b

: the quality of being well-grounded, sound, or correct

the validity of an argument/theory

Other researchers have questioned the validity of the test results.

Later he acknowledged that there was no validity to his report.

—David Hiltbrand

Examples of validity in a Sentence

Recent Examples on the Web

Of course, the validity of the results of polls in an authoritarian society at war cannot be taken at face value. —Elizaveta Gaufman, The Conversation, 21 Feb. 2026

When a promising romantic interest enters the picture, his friends question the relationship’s validity and his dating choices, creating friction for him within the group. —Armando Tinoco, Deadline, 18 Feb. 2026

Can a homeowner challenge the legality and validity of the special assessment? —Kelly G. Richardson, San Diego Union-Tribune, 17 Feb. 2026

Meanwhile, Whaleco Technology has disputed the validity of the interim agreement’s termination notice. —Jasmin Malik Chua, Sourcing Journal, 10 Feb. 2026

Word History

First Known Use

circa 1577, in the meaning defined above

Rhymes for validity

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

Kids Definition

validity

noun

va·​lid·​i·​ty

və-ˈlid-ət-ē, 

va-

: the quality or state of being valid