Definition of validity
: 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
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Merriam-Webster unabridged
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Time Traveler for validity
The first known use of validity was circa 1577
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