# good night

> English word · Phrase

## Definitions
1. A farewell said in the evening or before going to sleep.
2. Expressing incredulity.

## Etymology
Probably a shortening of "May you have a good night."

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