# ouster

> English word · Noun · IPA /ˈæɔstə/ · frequency rank #40,824

## Definitions
1. A putting out of possession; dispossession; ejection.
2. Action by a cotenant that prevents another cotenant from enjoying the use of jointly owned property.
3. The forceful removal of a politician or regime from power; a coup; an ousting.

## Etymology
From Old French ouster, oustre, a nominalization of Anglo-Norman oustre (“to oust”).

## Easily confused with
- **outer** (https://plainspell.com/en/vs/ouster-vs-outer)
- **oyster** (https://plainspell.com/en/vs/ouster-vs-oyster)
- **oysters** (https://plainspell.com/en/vs/ouster-vs-oysters)
- **oust** (https://plainspell.com/en/vs/oust-vs-ouster)
- **otter** (https://plainspell.com/en/vs/otter-vs-ouster)
- **Ofsted** (https://plainspell.com/en/vs/ofsted-vs-ouster)

## Common misspellings (8)
`osuter`, `ousetr`, `ousster`, `ousterr`, `oustre`, `oustter`, `outser`, `uoster`

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