psychobabble commonly used to also describe the achievement of getting over it when you split up from a relationship. You have closure at the point where you no longer jump at your answering machine at 4am when you come home drunk with your heart leaping at the prospect that your ex has left a message along the lines of "I got it all wrong, I NEED you back and I can't live without you". Just to discover it was only your mother reminding you of your Great Aunts birthday party Sunday

Closure is not when your ex turns up at your apartment to collect some of their things they forgot to pick up before and you end up in bed together, waking up the next morning with the two of you in a state of serious emotional hangover