expiry
/ˈɛkspaɪri/ EX-pi-ree
Definitions
1. noun
the date or period after which something is no longer valid or effective
“The insurance policy was cancelled due to non-payment before its expiry date.”
2. verb
to become invalid or ineffective
“The company’s license will expire in six months, after which it will be unable to operate.”
3. noun
a date or period after which something is no longer available
“The concert tickets were sold out by the time of the expiry date.”