expire
expire
/ɪkˈspaɪə(r)/
1 intransitive (of a document, an agreement, etc.) to be no longer legally acceptable because the period of time for which it could be used has ended When does your driving licence expire?
Our lease on the house expires next month.
Collocations
verb + expire
be due to
2 intransitive (of a period of time, especially one during which somebody holds a position of authority) to end His term of office expires at the end of June.
She had expired while bearing her son.
Word Origin
e.g.
expire date 失効日、有効期限