# when pigs fly

> English word · Adverb

## Definitions
1. Never.

## Etymology
Referencing the fact that pigs do not have wings and cannot fly.

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