misconduct

noun

mis·​con·​duct ˌmis-ˈkän-(ˌ)dəkt 

1

: mismanagement especially of governmental or military responsibilities

2

: intentional wrongdoing

specifically : deliberate violation of a law or standard especially by a government official : malfeasance

3

a

: improper behavior

b

: adultery

4

: a penalty (as in ice hockey) for improper behavior or abusive language (as toward an official)

misconduct

ˌmis-kən-ˈdəkt 

transitive verb

Synonyms

• malfeasance
• misbehavior
• misdoing
• wrongdoing

Examples of misconduct in a Sentence

He was forced to defend himself against charges of sexual misconduct.

There have been reports of misconduct by several employees.

Recent Examples on the Web

Critics have accused deputy cliques of engaging in brawls and other misconduct. —Connor Sheets, Los Angeles Times, 6 June 2025

Because an employee is not eligible for unemployment benefits if the person was fired for misconduct, Wisconsin doesn’t want to have to decide the legitimacy of a firing that was based on matters of religious faith and doctrine. —Maureen Groppe, USA Today, 6 June 2025

In 2022, Merkel was charged with stalking and harassing the detective leading the misconduct investigation for the sheriff’s office. —Christine Fillmore Stiehl, NBC news, 5 June 2025

Certainly, Gallagher's misconduct and the union's vote of 'no confidence' were broadly known throughout the Department. —Sonam Sheth, MSNBC Newsweek, 3 June 2025

Word History

First Known Use

1705, in the meaning defined at sense 1

Kids Definition

misconduct

noun

mis·​con·​duct (ˈ)mis-ˈkän-(ˌ)dəkt 

1

: bad management

2

: improper or unlawful behavior

misconduct

ˌmis-kən-ˈdəkt 

verb

Legal Definition

misconduct

noun

mis·​con·​duct mis-ˈkän-dəkt 

: intentional or wanton wrongful but usually not criminal behavior: as

a

: deliberate or wanton violation of standards of conduct by a government official

b

: wrongful behavior (as adultery) by a spouse that leads to the dissolution of the marriage

c

: an attorney's violation of the standards set for professional conduct

also : an attorney's and especially a prosecutor's use of deceptive or reprehensible methods in presenting a case to a jury

d

: impermissible behavior by a juror (as communicating about the case with outsiders, witnesses, or others, reading or hearing news reports about the case, or independently introducing evidence to other jurors)

e

: an employee's deliberate or wanton disregard of an employer's interests or disregard or violation of the employer's standards or rules that is sufficient to justify a denial of unemployment compensation