mal·fea·sance 
(măl-fēzəns)
(măl-fēzəns)n.
Misconduct or wrongdoing, especially by a public official.
[Anglo-Norman malfaisance, from Old French malfaisant, malfeasant, present participle of malfaire, to do evil, from Latin malefacere; see MALEFACTOR.]
mal·feasant adj. & n.
- unmeaningly
- unmeant
- unmechanical
- unmechanically
- unmeet
- unmentionable
- unmentionableness
- unmentionably
- unmerciful
- unmercifully
- unmercifulness
- unmet
- double bar
- double-barreled
- double bass
- double bassoon
- double bind
- double blind
- double-blind
- double boiler
- double bond
- double-book
- double-breasted
- double check
- double-check