# impossible

> English word · Adjective · IPA /ɪmˈpɒs.ɪ.bəl/ · frequency rank #1,724

## Definitions
1. Not possible; not able to be done or happen.
2. Very difficult to deal with.
3. imaginary

## Etymology
From Middle English impossible, equivalent to im- + possible.

## Easily confused with
- **impossibly** (https://plainspell.com/en/vs/impossible-vs-impossibly)
- **impassable** (https://plainspell.com/en/vs/impassable-vs-impossible)

## Common misspellings (14)
`immpossible`, `imopssible`, `imposible`, `imposisble`, `impossable`, `impossbile`, `impossibble`, `impossibel`, `impossiblle`, `impossilbe`, `imppossible`, `impsosible`, `ipmossible`, `mipossible`

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