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 analyst then used the AI to formalize its conclusions into a conventional military intelligence report without double- or triple-checking the validity of its conclusions. — Christopher McFadden, Interesting Engineering, 20 Sep. 2026

On September 25, the blue state AGs have to respond to a motion from red state Iowa and Montana to take the validity of the antitrust suit to the Supreme Court. — Dominic Patten, Deadline, 18 Sep. 2026

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

The Arizona auditor general, however, questioned the validity of the test’s results during Horne’s tenure. — Rafael Carranza, ProPublica, 16 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