mismanagemis·man·age /ˌmɪsˈmænɪdʒ/ verb [transitiveT] to manage a company, economy etc badlyThe project has been mismanaged from start to finish.
British firms squander billions each year by mismanaging corporate overheads.
—mismanagement noun [uncountableU]Shareholders may sue the directors for mismanagement.
The government has been accused of economic mismanagement.