Misuse /(mĭs*ūz")/

Mis·use

Misuse

v. t.
  1. To treat or use improperly; to use to a bad purpose; to misapply; as, to misuse one's talents.
    The sweet poison of misused wine.
  2. To abuse; to treat ill.
    O, she misused me past the endurance of a block.

Misuse

n.
  1. Wrong use; misapplication; erroneous or improper use.
    Words little suspected for any such misuse.
  2. Violence, or its effects. [Obs.]