"expires" in the verb sense
1. run out, expire
lose validity
"My passports expired last month"
2. die, decease, perish, go, exit, pass away, expire, pass, kick the bucket, cash in one's chips, buy the farm, conk, give-up the ghost, drop dead, pop off, choke, croak, snuff it
pass from physical life and lose all bodily attributes and functions necessary to sustain life
"She died from cancer"
"The children perished in the fire"
"The patient went peacefully"
"The old guy kicked the bucket at the age of 102"
3. exhale, expire, breathe out
expel air
"Exhale when you lift the weight"
Source: WordNet® (An amazing lexical database of English)
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