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

The city's Board of Canvassers voted 2-to-1 on Wednesday, July 15, to dismiss a challenge to the validity of her signatures after Beauchaine took the 5th Amendment against self-incrimination rather than answering any questions. — Katherine Gregg, The Providence Journal, 16 July 2026

The organization added that its resale marketplace remains the only place to guarantee the proper transfer, delivery and validity of World Cup ticket transactions. — Bloomberg, Mercury News, 14 July 2026

The photo only led to more questions about McConnell’s health as many people doubted the photo’s validity. — Zack Sharf, Variety, 13 July 2026

Garbrandt didn’t really complain after Dean’s decision, and that’s a major indicator of the validity of the ref’s decision. — Brian Mazique, Forbes.com, 12 July 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