As a Noun: 1. The failure or ending of a machine, system, plan, or discussion. English = breakdown. 2. The sudden failure of a car or vehicle as you are driving along. English = breakdown. 3. Serious destruction or damage. English = devastation. 4. A deterioration in a person’s mental health during which they are very depressed and unable to cope with life. English = breakdown. 5. As a Verb or Adjective: 1. Of a machine, system, plan, or discussion, to fail or to stop. English = breakdown. 2. Of a car or vehicle, to suddenly stop working as you are driving along. English = breakdown. 3. To destroy or severely damage something. English = devastate. 4. To be destroyed or severely damaged in some way. English = (be) devastated.