definition of closure
The definition of closure is the act of closing something, or an end or resolution of something. 1  When a road is not open to the public because it is undergoing repairs, this is an example of a road closure. 2  When you end a relationship and say your final goodbyes, this is an example of closure.
closure noun (STOP OPERATING) âº [ C ] the act of stopping operations of a business, school, hospital, etc.: A storm forced the closure of many schools and businesses.