misconduct · noun1
misconduct · verb2
First known use, by meaning
- from 18th c. To mismanage.
- from 19th c. To behave inappropriately, to misbehave.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Behavior that is considered to be unacceptable. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.