# sing-in

> English word · Noun

## Definitions
1. A peaceful protest where people sing, often to obstruct the normal course of an event.

## Etymology
From sing + -in, modeled after sit-in.

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