We use 'valid' when something follows the law or official rules. It means it is allowed or accepted by law or agreement.
The driver has a valid license.
This contract is valid for one year.
'Valid' means something makes sense and is correct based on facts. It is true or acceptable for thinking and reasoning.
You made a valid point in the meeting.
Her answer is valid and clear.
'Valid' is used when something is still good or can be used during a certain period. It means it has not expired.
My passport is valid for another year.
The ticket is valid until Sunday.
'Valid' means that something is correct according to specific logical or scientific rules. It is accepted in areas like math or science.
This is a valid argument in math.
The test has valid results.
'Valid' means a computer or software agrees something is okay or correct. For example, a valid password works in a system.
The password is valid and accepted.
Please enter a valid email address.
'Valid' means there is a good and fair reason for something. The idea or action has a real cause or explanation.
You have a valid reason to be late.
Her fear is valid in this case.