mal ‧ feas ‧ ance /mælˈfiːz ə ns/ BrE AmE noun [uncountable]
[ Date: 1600-1700 ; Origin: mal- + feasance 'doing' (16-18 centuries) (from Anglo-French fesance , from Old French faire 'to do' ) ]
law illegal or dishonest activity
mal ‧ feas ‧ ance /mælˈfiːz ə ns/ BrE AmE noun [uncountable]
[ Date: 1600-1700 ; Origin: mal- + feasance 'doing' (16-18 centuries) (from Anglo-French fesance , from Old French faire 'to do' ) ]
law illegal or dishonest activity
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012