# decider

> English word · Noun · IPA /dɪˈsaɪdə(ɹ)/ · frequency rank #34,460

## Definitions
1. A person, divinity, or authoritative text which decides.
2. An event or action which decides the outcome of a contested matter.
3. A Turing machine that halts regardless of its input.

## Etymology
From decide + -er.

## Easily confused with
- **decker** (https://plainspell.com/en/vs/decider-vs-decker)
- **decode** (https://plainspell.com/en/vs/decider-vs-decode)
- **denier** (https://plainspell.com/en/vs/decider-vs-denier)
- **deliver** (https://plainspell.com/en/vs/decider-vs-deliver)
- **decides** (https://plainspell.com/en/vs/decider-vs-decides)
- **decoder** (https://plainspell.com/en/vs/decider-vs-decoder)
- **divider** (https://plainspell.com/en/vs/decider-vs-divider)
- **derided** (https://plainspell.com/en/vs/decider-vs-derided)
- **decipher** (https://plainspell.com/en/vs/decider-vs-decipher)
- **decide** (https://plainspell.com/en/vs/decide-vs-decider)
- **decade** (https://plainspell.com/en/vs/decade-vs-decider)
- **decided** (https://plainspell.com/en/vs/decided-vs-decider)
- **decades** (https://plainspell.com/en/vs/decades-vs-decider)
- **decibel** (https://plainspell.com/en/vs/decibel-vs-decider)

## Common misspellings (10)
`dceider`, `ddecider`, `deccider`, `decdier`, `decidder`, `deciderr`, `decidre`, `deciedr`, `deicder`, `edcider`

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