Meaning ofexpendablein English

Adjective

1. regarded as sacrificable; not valuable
   The company considered the new employee expendable and laid him off after a month.
2. not essential to achieve a goal
   The expendable parts of the machine were made of cheap plastic.
3. designed for single use; disposable
   The team leader identified some expendable tasks that could be cut from the project.
4. able to be used up; not lasting
   The expendable resources were depleted quickly during the emergency response.