Standard Lemma guide

redundancy

noun · 10 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /ɹɪˈdʌnd(ə)nsi/
  • General-American: /ɹɪˈdʌndən(t)si/
  • General-American: /ɹə-/
  • Australia: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: R IH0 D AH1 N D AH0 N S IY0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The state of being redundant.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A superfluity; something redundant or excessive; a needless repetition in language.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A duplication of components or circuits to provide survival of the total system in case of failure of single components.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Examples

  • 2006, Lauren Bean, Richard E. Friedman, Chapter 5: School Safety in the Twenty First Century: Adapting to New Security Challenges Post-9/11, James J. F. Forest (editor), Homeland Security: Protecting America′s Targets, Volume 2: Public Spaces and Social Institutions, page 108, Staff redundancy is needed in the event that a supervisor and key unit supervisors are not present or unable to act in an emergency.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Duplication of parts of a message to guard against transmission errors.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

The state of being unemployed because one's job is no longer necessary; the dismissal of such an employee; a layoff.

Definition source: English Wiktionary via Wiktextract

Usage: Australia, New-Zealand, UK, countable, uncountable

Examples

  • 1981, New Zealand House of Representatives. Parliamentary Debates, Volume 442, page 4212, Has he received any representation from Air New Zealand management about redundancy proposals for Air New Zealand staff; and, if so, do these proposals include redundancy agreements?
  • 1983, UK House of Commons, Papers by Command, Volume 40, page lvi, The potential savings did not take into account once-and-for-all staff redundancy costs of £16.5 million and unspecified costs involved in increasing stock levels [...] .

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

surplusage inserted in a pleading which may be rejected by the court without impairing the validity of what remains.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: law

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

repetition of an act needlessly

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: repetition, repeating

8

noun

Meaning 8

the attribute of being superfluous and unneeded

Definition source: Princeton WordNet 3.0

Examples

  • the use of industrial robots created redundancy among workers

Meaning relationships

Synonyms: redundance

Antonyms: none provided

Broader terms: overplus, plethora, superfluity, embarrassment

Narrower terms: fifth wheel, deadwood

9

noun

Meaning 9

(electronics) a system design that duplicates components to provide alternatives in case one component fails

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: configuration, constellation

10

noun

Meaning 10

repetition of messages to reduce the probability of errors in transmission

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: repetitiveness, repetitiousness

History

Etymology

From redundant + -cy.

Across languages

Translations

72 source translations are retained for this English entry.

  • Bulgarian: излишък (izlišǎk) — state of being redundant
  • Chinese Mandarin: 冗余 (rǒngyú) — state of being redundant
  • Dutch: overtolligheid — state of being redundant
  • Dutch: redundantie — state of being redundant
  • Finnish: tarpeettomuus — state of being redundant
  • Finnish: redundanssi — state of being redundant
  • Finnish: ylimäärä — state of being redundant
  • French: redondance — state of being redundant
  • German: Redundanz — state of being redundant
  • Hungarian: redundancia — state of being redundant
  • Hungarian: terjengősség — state of being redundant
  • Hungarian: nélkülözhetőség — state of being redundant
  • Hungarian: fölöslegesség — state of being redundant
  • Hungarian: szükségtelenség — state of being redundant
  • Indonesian: redundansi — state of being redundant
  • Italian: ridondanza — state of being redundant
  • Italian: copiosità — state of being redundant
  • Italian: eccessività — state of being redundant
  • Japanese: 冗長 (jōchō) — state of being redundant
  • Japanese: 冗長性 (jōchōsei) — state of being redundant
  • Korean: 중복성 (jungbokseong) — state of being redundant
  • Māori: tāweretanga — state of being redundant
  • Norwegian: redundans — state of being redundant
  • Portuguese: redundância — state of being redundant
  • Portuguese: repetição — state of being redundant
  • Russian: чрезме́рность (črezmérnostʹ) — state of being redundant
  • Russian: избы́точность (izbýtočnostʹ) — state of being redundant
  • Serbo-Croatian: redundantnost — state of being redundant
  • Serbo-Croatian: zalihosnost — state of being redundant
  • Serbo-Croatian: suvišnost — state of being redundant
  • Spanish: redundancia — state of being redundant
  • Spanish: superabundancia — state of being redundant
  • Swedish: redundans — state of being redundant
  • Turkish: artıklık — state of being redundant
  • Catalan: redundància — duplication of components or circuits to provide survival of the total system in case of failure of single components
  • Dutch: back-up — duplication of components or circuits to provide survival of the total system in case of failure of single components
  • Esperanto: redundo — duplication of components or circuits to provide survival of the total system in case of failure of single components
  • Finnish: varmennus — duplication of components or circuits to provide survival of the total system in case of failure of single components
  • Finnish: päällekkyys — duplication of components or circuits to provide survival of the total system in case of failure of single components
  • Finnish: varajärjestelmä — duplication of components or circuits to provide survival of the total system in case of failure of single components
  • Finnish: redundanssi — duplication of components or circuits to provide survival of the total system in case of failure of single components
  • French: redondance — duplication of components or circuits to provide survival of the total system in case of failure of single components
  • German: Redundanz — duplication of components or circuits to provide survival of the total system in case of failure of single components
  • Italian: ridondanza — duplication of components or circuits to provide survival of the total system in case of failure of single components
  • Korean: 중복 (jungbok) — duplication of components or circuits to provide survival of the total system in case of failure of single components
  • Russian: избы́точность (izbýtočnostʹ) — duplication of components or circuits to provide survival of the total system in case of failure of single components
  • Spanish: redundancia — duplication of components or circuits to provide survival of the total system in case of failure of single components
  • Dutch: redundantie — duplication of parts of a message to guard against transmission errors
  • Esperanto: redundo — duplication of parts of a message to guard against transmission errors
  • Finnish: redundanssi — duplication of parts of a message to guard against transmission errors
  • Finnish: toiste — duplication of parts of a message to guard against transmission errors
  • French: redondance — duplication of parts of a message to guard against transmission errors
  • German: Redundanz — duplication of parts of a message to guard against transmission errors
  • Italian: ridondanza — duplication of parts of a message to guard against transmission errors
  • Korean: 용장 (yongjang) — duplication of parts of a message to guard against transmission errors
  • Korean: 잉여 (ing'yeo) — duplication of parts of a message to guard against transmission errors
  • Russian: избы́точность (izbýtočnostʹ) — duplication of parts of a message to guard against transmission errors
  • Spanish: redundancia — duplication of parts of a message to guard against transmission errors
  • Armenian: կրճատում (krčatum) — state of being unemployed because one's job is no longer necessary
  • Chinese Mandarin: 失業 /失业 (shīyè) — state of being unemployed because one's job is no longer necessary
  • Chinese Mandarin: 下崗 /下岗 (xiàgǎng) — state of being unemployed because one's job is no longer necessary
  • Dutch: boventalligheid — state of being unemployed because one's job is no longer necessary
  • Finnish: henkilöstövähennys — state of being unemployed because one's job is no longer necessary
  • French: chômage économique — state of being unemployed because one's job is no longer necessary
  • German: betriebsbedingte Kündigung — state of being unemployed because one's job is no longer necessary
  • German: strukturelle Arbeitslosigkeit — state of being unemployed because one's job is no longer necessary
  • Hungarian: létszámcsökkentés — state of being unemployed because one's job is no longer necessary
  • Hungarian: létszámleépítés — state of being unemployed because one's job is no longer necessary
  • Hungarian: leépítés — state of being unemployed because one's job is no longer necessary
  • Hungarian: elbocsátás — state of being unemployed because one's job is no longer necessary
  • Hungarian: létszámfelettiség — state of being unemployed because one's job is no longer necessary
  • Korean: 실업 (sireop) — state of being unemployed because one's job is no longer necessary