Unlike those products, expensive drugs need to be refrigerated, and they expire.
After two years, the middle-class cuts would also expire unless Congress paid for them with offsetting savings or tax increases.
But first, this Congress needs to restore the unemployment insurance you just let expire for 1.6 million people.
c.1400, "to die," from Middle French expirer (12c.) "expire, elapse," from Latin expirare/exspirare "breathe out, breathe one's last, die," from ex- "out" (see ex-) + spirare "to breathe" (see spirit). "Die" is the older sense in English; that of "breathe out" is first attested 1580s. Of laws, patents, treaties, etc., mid-15c. Related: Expired; expiring.
expire ex·pire (ĭk-spīr')
v. ex·pired, ex·pir·ing, ex·pires
To breathe one's last breath; die.