n. improper and/or illegal acts by a public official which violate his/her duty to follow the law and act on behalf of the public good. Often such conduct is under the guise or "color" of official authority.
n.Any kind of activity that is against the law or not performed according to its official standards, by public servants,against the welfare of the general public.It can be a misuse of an officer's authority because of the powers given to him/her.
When a public official acts improperly or illegally in connection with his or her duties.