Definitions for validityvəˈlɪd ɪ ti
Random House Webster's College Dictionary
va•lid•i•tyvəˈlɪd ɪ ti(n.)
the state or quality of being valid.
legal soundness or force.
Origin of validity:
1540–50; < LL
cogency, validity, rigor, rigour(noun)
the quality of being valid and rigorous
the quality of having legal force or effectiveness
robustness, hardiness, lustiness, validity(noun)
the property of being strong and healthy in constitution
The state of being valid, authentic or genuine.
Having legal force.
A quality of a measurement indicating the degree to which the measure reflects the underlying construct, that is, whether it measures what it purports to measure (see reliability).
the quality or state of being valid; strength; force; especially, power to convince; justness; soundness; as, the validity of an argument or proof; the validity of an objection
legal strength, force, or authority; that quality of a thing which renders it supportable in law, or equity; as, the validity of a will; the validity of a contract, claim, or title