breakdown (breakdowns plural )
1 n-count The breakdown of something such as a relationship, plan, or discussion is its failure or ending.
(=collapse)
...the breakdown of talks between the US and EU officials.
2 n-count If you have a breakdown, you become very depressed, so that you are unable to cope with your life.
My personal life was terrible. My mother had died, and a couple of years later I had a breakdown...
→
nervous breakdown
3 n-count If a car or a piece of machinery has a breakdown, it stops working.
Her old car was unreliable, so the trip was plagued by breakdowns...
4 n-count A breakdown of something is a list of its separate parts.
(=analysis)
The organisers were given a breakdown of the costs.