What does unruly mean?
Unruly describes something that resists control, discipline, or established order. It is especially common of children, groups, crowds, and behavior that cannot be kept calm or orderly, but it can also describe events, conditions, or even hair that is difficult to manage. The word generally conveys a negative or disapproving judgment, distinguishing genuine loss of control from conduct that is merely energetic or noisy. Although often encountered in formal writing and news reports, it remains natural in everyday speech. Historically, it was formed in Middle English from the prefix un- and the word rule, so its core idea is literally that of being without rule or governance. Today it is a useful, forceful alternative to expressions such as wild, disorderly, or unmanageable, and it clearly suggests that normal limits have been exceeded.
adjectiveDifficult or impossible to control, manage, or discipline; disorderly or resistant to accepted rules and order.
- Difficult or impossible to control or discipline, especially of people or their conduct.
- Disorderly, uncontrolled, or turbulent, especially of crowds, events, natural forces, or hair.
"The teacher called for help when the unruly students refused to settle down."
"The unruly crowd surged toward the stage as security tried to restore order."
"She tied her unruly hair back before beginning her shift."
Unruly means “without rule”: a fitting label for anything that refuses to be controlled or kept in order.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does unruly come from?
Unruly was formed during the Middle English period from the prefix un-, meaning “without,” and the noun rule, referring to order, governance, or control. It developed into an adjective describing people, conduct, or conditions that were uncontrolled or difficult to govern. The English word rule comes through Old French from Latin regula, a root that also underlies words such as ruler, regular, and regulate.
Related word forms
How unruly is actually used
Unruly is generally formal and carries a strongly negative judgment when describing behavior or groups, although it is also used more lightly for wild or untidy hair. It is often stronger and more disapproving than words such as rowdy or noisy. There is no significant regional difference between standard British and American usage.