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

In some cases, the validity would extend from four to eight years beyond when the licenses should have expired. —Glenn Taylor, Sourcing Journal, 15 Dec. 2025

Buzbee also looked to cast doubt on the validity of the suicide note found on Aguilera’s phone by investigators. —Julia Bonavita, FOXNews.com, 9 Dec. 2025

During the episode, the reality star recalled all the people who questioned the validity of her account and didn’t believe her. —Yamillah Hurtado, PEOPLE, 9 Dec. 2025

In the history of presidential clemency scholarship, the form of signature has never been treated as a condition of validity. —Robert Alexander, MSNBC Newsweek, 6 Dec. 2025

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