# blue wall of silence

idiom

Source: https://englishreference.com/idiom/blue-wall-of-silence
Updated: 2026-08-10

## Meaning

Strict secretiveness maintained by the members of a police force with respect to information which might be contrary to their interests, especially information concerning questionable police actions.

## Examples

- The officers kept the blue wall of silence about the accident.
- The blue wall of silence protects dishonest police officers from being punished.
- Internal investigators struggled to uncover the truth because the officers maintained a strict blue wall of silence.
- The young officer felt pressured to follow the blue wall of silence after witnessing his partner take a bribe from a local shop owner.
- Lawyers for the victim argued that the blue wall of silence prevented witnesses from speaking honestly about what happened during the arrest.
- Despite mounting public pressure for accountability, the department remained protected by a rigid blue wall of silence that prevented any meaningful reform.

## Origin

Derived from the traditional colour of police uniforms, the term describes a code of informal silence maintained among officers. It appeared in the late 20th century to denote the refusal of law enforcement personnel to report the misconduct or crimes of their colleagues.

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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.