# mission impossible

> English word · Noun

## Definitions
1. An extremely difficult, if not impossible, task.

## Etymology
From the television series Mission: Impossible, first broadcast in the 1960s.

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