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

Judge Subramanian also noted there was no evidence of prosecutorial misconduct. —Lauryn Overhultz , Maria Paronich, FOXNews.com, 18 June 2025

Several officers who either pleaded guilty or were convicted by a jury for their role in the corruption scheme had their felony convictions tossed out in favor of misdemeanors amid allegations of prosecutorial misconduct. —Alex Riggins, San Diego Union-Tribune, 18 June 2025

The school system also has been in disputes with insurance companies, which contested their responsibility to pay for misconduct claims. —Howard Blume, Los Angeles Times, 17 June 2025

An attorney for District 206 declined to comment on their investigatory efforts into potential misconduct, citing pending litigation. —Olivia Stevens, Chicago Tribune, 17 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