# when Hell freezes over

> English word · Adverb

## Definitions
1. Never; not in this lifetime or a time in the unforeseeably distant future; not a chance.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/when-hell-freezes-over