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Definitions

misconduct

[mis-kon-duhkt, mis-kuhn-duhkt] / mɪsˈkɒn dʌkt, ˌmɪs kənˈdʌkt /
NOUN
bad or unethical behavior
Synonyms
STRONGEST
dereliction immorality impropriety malfeasance malpractice misbehavior mischief misdemeanor mismanagement offense transgression wrongdoing
STRONG
delinquency evil malversation misdoing naughtiness rudeness
Antonyms
STRONGEST
behavior obedience
WEAK
manners

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A judge closes Justin Baldoni’s defamation case against Blake Lively but her original lawsuit — accusing him of misconduct on “It Ends With Us” — is still moving forward.

From Los Angeles Times • Apr. 2, 2026

They are also being investigated for potential gross misconduct.

From BBC • Apr. 1, 2026

Swift and effective prosecution can be a much stronger deterrent to misconduct than regulations that aim to prevent misconduct but rarely do.

From The Wall Street Journal • Mar. 26, 2026

Further, regulations are unnecessary because existing civil and criminal statutes already provide robust remedies for fraud, harm and other misconduct.

From The Wall Street Journal • Mar. 26, 2026

Even a whiff of misconduct coming so soon after Teapot Dome could end his career.

From "Killers of the Flower Moon" by David Grann

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.