# redundancy

> English word · Noun · IPA /ɹɪˈdʌnd(ə)nsi/ · frequency rank #19,184

## Definitions
1. The state of being redundant.
2. A superfluity; something redundant or excessive; a needless repetition in language.
3. A duplication of components or circuits to provide survival of the total system in case of failure of single components.
4. Duplication of parts of a message to guard against transmission errors.
5. The state of being unemployed because one's job is no longer necessary; the dismissal of such an employee; a layoff.
6. surplusage inserted in a pleading which may be rejected by the court without impairing the validity of what remains.

## Etymology
From redundant + -cy.

## Easily confused with
- **redundant** (https://plainspell.com/en/vs/redundancy-vs-redundant)

## Common misspellings (16)
`erdundancy`, `rdeundancy`, `reddundancy`, `rednudancy`, `redudnancy`, `redunadncy`, `redundacny`, `redundanccy`, `redundancyy`, `redundanncy`, `redundanyc`, `redunddancy`, `redundnacy`, `redunndancy`, `reudndancy`, `rredundancy`

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