What does misbehavior mean?
Misbehavior means behavior that is bad, improper, or contrary to accepted rules. In everyday use, it often refers especially to children or students doing something disruptive, disobedient, or inappropriate, although the word can apply to conduct in any setting. The term is relatively neutral in form but carries a more openly negative and sometimes disciplinary tone than words such as "naughtiness," which can sound playful or fond. As a mass noun, it usually appears without an article: "The school is taking steps to reduce classroom misbehavior." It also occurs in formal educational, legal, workplace, and behavioral-science contexts, where it denotes conduct that violates expectations or established rules. Because it focuses on how someone acts, the word often implies that the conduct, rather than an accidental outcome, is the problem. British English generally spells the noun "misbehaviour," while American English uses "misbehavior."
nounBad, improper, or socially unacceptable behavior, especially conduct that is disruptive, disobedient, or contrary to the rules of a classroom, school, household, or other setting.
- Bad, improper, or socially unacceptable behavior, especially conduct that disrupts a classroom, school, household, or other setting.
"The teacher addressed the student's repeated classroom misbehavior through a restorative conversation."
"The teacher suspended the student for repeated classroom misbehavior."
"Researchers studying peer interaction recorded examples of misbehavior without interrupting the children."
The noun is normally used as an uncountable mass noun; the rare plural refers to separate instances of bad behavior.
"The report documented several misbehaviors over the preceding month."
One prefix changes a classroom sentence: a child is either behaving or committing misbehavior.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does misbehavior come from?
Misbehavior is an English compound formed from behavior and the Latin-derived prefix mis-, meaning "wrongly" or "badly." The compound has been attested since the early 17th century. Behavior belongs to the same English root as behave, behavioral, and behaviorism; the spelling with -or is conventional in American English, while British usage commonly employs the -our variant.
How misbehavior is actually used
The noun is usually an uncountable mass noun, especially in educational, legal, workplace, and behavioral-science contexts. It has a more openly negative and disciplinary tone than playful words such as "naughtiness." British English commonly uses the spelling "misbehaviour."
Easily confused with misbehavior
Misconduct generally refers to conduct that violates rules, duties, or laws, whereas misbehavior more broadly describes bad or inappropriate behavior and is especially common in educational contexts.