# read someone the riot act

idiom

Source: https://englishreference.com/idiom/read-someone-the-riot-act
Updated: 2026-08-10

## Meaning

To scold or berate somebody; to reprimand.

## Examples

- My boss read me the riot act for being late again.
- The teacher read the students the riot act after they left the classroom in a complete mess.
- After the team failed to meet their quarterly targets for the third time, the director read them the riot act regarding their lack of professional discipline.

## Origin

The phrase derives from the Riot Act, an Act of Parliament enacted in 1714. The legislation was designed to manage civil unrest by providing a formal mechanism for the dispersal of crowds. It required a magistrate or a similarly authorised official to read a specific statutory warning aloud to a gathering of twelve or more people, after which the crowd was granted one hour to depart peaceably. The effectiveness of the Act relied upon the authorities’ subsequent immunity. Once the warning had been read and the hour had expired, the law permitted the use of any force necessary to clear the area. Those who remained were liable to face the consequences of the state’s intervention, a procedural threat that transitioned from a literal legal requirement into a metaphorical reprimand.

---

From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.