1. to come to an end; to cease to be valid
2. to die
Usage: formal
3. to breathe out air from the lungs
Usage: medical

Examples

• My driver’s license will expire next month.
• The contract expires at the end of the year.
• The milk expired three days ago.
• The patient expired peacefully in his sleep.
• She slowly expired the air from her lungs.
• The warranty on this product expires in two years.
• His passport expired while he was traveling abroad.