# whistle-blower

> English word · Noun

## Definitions
1. One who reports a problem or violation to the authorities; especially, an employee or former employee who reports a violation by an employer.

## Etymology
From whistle + blower, referring to a police officer blowing their whistle on observing a violation of the law.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/whistle-blower
