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

Both chambers adopted another resolution in June, though the White House has argued against its validity. — Caitlin Yilek, CBS News, 16 Sep. 2026

Murdoch did not endorse Trump in 2016 and also broke with him after on-air talent including Bartiromo created legal liability by airing lies about the validity of the 2020 election. — Dade Hayes, Deadline, 9 Sep. 2026

Veolia has since raised questions about the validity of Jacobs' bid as well as the ad hoc committee's review process. — Mary Spicuzza, jsonline.com, 4 Sep. 2026

The owner of the files caught Krebs’ attention after showing the journalist a scan of his Virginia drivers license, strongly supporting the leak’s validity. — Victor Tangermann, Futurism, 3 Sep. 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