D defs.my
Entry 1 sense Webster, 1913

Mismanage

/mĭs-măn'-ĭj/ · Mis·man·age · IPA /mɪsˈmæ.nədʒ/
01 v. t. & i. To manage ill or improperly; as, to mismanage public affairs.
  1. 1.
    To manage ill or improperly; as, to mismanage public affairs.