VOCABULARY BUILDER
misfeasance
Function: noun
Etymology: Middle French mesfaisance, from mesfaire to do wrong, from mes- mis- + faire to make, do, from Latin facere — more at DO
Date: 1596
: TRESPASS; specifically : the performance of a lawful action in an illegal or improper manner
–misfeasor noun
malfeasance
Function: noun
Etymology: mal- + obsolete feasance doing, execution
Date: 1696