1. coming to an end; ceasing to be valid
Usage: present participle of expire
2. dying; breathing one’s last breath
Usage: present participle of expire; formal

1. about to end or become invalid

Examples

• My passport is expiring next month.
• The contract is expiring at the end of the year.
• She rushed to renew her expiring driver’s license.
• The expiring medication should not be used.
• His expiring membership needs to be renewed soon.
• The expiring lease caused them to look for a new apartment.