/ ɪkˈspaɪə(r); NAmE / verb [ v ]
1.
( of a document, an agreement, etc. ) to be no longer valid because the period of time for which it could be used has ended
SYN run out :
When does your driving licence expire?
2.
( of a period of time, especially one during which sb holds a position of authority ) to end :
His term of office expires at the end of June.
3.
( literary ) to die
—see also unexpired
► ex·pired adjective :
an expired passport
••
WORD ORIGIN
late Middle English : from Old French expirer , from Latin exspirare breathe out, from ex- out + spirare breathe.