validity

US /vəˈlɪd.ə.t̬i/
UK /vəˈlɪd.ə.t̬i/
"validity" picture
1.

the state of being legally or officially binding or acceptable

:
The validity of the contract was questioned by the court.
We need to check the validity of your passport.
2.

the quality of being logically or factually sound; cogency

:
The scientist questioned the validity of the experimental results.
Her argument lacked validity and was easily refuted.