verb
expire
ihk-SPEYE-uh
verb
1
To stop being valid or usable after a set time.
"My passport expires next month."
"The coupon expired before she could use it."
2
To die (a formal or literary use).
"The old king expired peacefully in his sleep."
How to Use Expire
Learner’s notesIn plain EnglishTo reach the end of its validity, or, more formally, to die.
Common pairings
about to expire
expire at midnight
Word Forms
expired past tense, expires singular
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Etymology
From Latin exspirare, "to breathe out," from ex- ("out") + spirare ("to breathe") — the root also seen in "spirit" and "respire."