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
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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
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
(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