From Longman Dictionary of Contemporary Englishmalfeasancemal‧feas‧ance /mælˈfiːzəns/ noun [uncountable] lawSCL illegal or dishonest activity
Examples from the Corpus
malfeasance• But during the Eighties, when materialism and malfeasance predominated, the electorate suffered guilt pains.• Cities and countryside have been wracked by thousands of small protests over the past years as malfeasance has grown to record levels.• When low performance leads to an organizational crisis, rumors of executive malfeasance spread like wildfire among rank-and-file members.• The city government throbbed with nepotism, malfeasance and awesome abuse of public money and facilities.• In almost every section of his speech, malfeasance or illegal practices were mentioned.• Charged with malfeasance, he pleaded carelessness.From Longman Business Dictionarymalfeasancemal‧fea‧sance /mælˈfiːzəns/ noun [uncountable] formal especially American EnglishLAW illegal activityThe Association of Certified Fraud Examiners teaches accountants how to detect financial malfeasance.Origin malfeasance (1600-1700) mal- + feasance “doing” ((16-18 centuries)) (from Anglo-French fesance, from Old French faire “to do”) 