The Collaborative International Dictionary of English v.0.48:
Mismanagement \Mis*man"age*ment\, n. Wrong or bad management; as, he failed through mismagement. [1913 Webster]WordNet (r) 3.0 (2006):
mismanagement n 1: management that is careless or inefficient; "he accomplished little due to the mismanagement of his energies" [syn: mismanagement, misdirection]