[adj] Invalid meaning (not valid) with 5 examples

Invalid
/ɪnˈvælɪd/
(not valid)
Not legally or officially acceptable or recognized.

Example sentences:

The contract was deemed invalid by the court.
His driver's license is invalid in this country.
An invalid password will not allow you to log in.
The coupon expired and is now invalid.
The judge ruled the evidence invalid in the trial.

Common usage tip(s):

"Invalid" is often used in legal, technical, or formal contexts to describe something that no longer has authority or recognition.
It can refer to documents, passwords, agreements, or legal evidence.