be valid

Examples (10)

• Your passport must be valid for at least six months.
• The coupon is valid until the end of the year.
• This ticket will not be valid if you tear it.
• His excuse for being late was hardly valid.
• That point is entirely valid and deserves discussion.
• The warranty is no longer valid once the seal is broken.
• We need to check if the signature is valid.
• Her criticism of the project was completely valid.
• The offer is only valid for new customers.
• The results of the study may not be valid due to errors.