re·​dun·​dan·​cy | \ ri-ˈdən-dən(t)-sē How to pronounce redundancy (audio) \
plural redundancies

Definition of redundancy

1a : the quality or state of being redundant : superfluity
b : the use of redundant components also : such components
c chiefly British : dismissal from a job especially by layoff
3a : superfluous repetition : prolixity
b : an act or instance of needless repetition
4 : the part of a message that can be eliminated without loss of essential information

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Redundancy, closely related to redound, has stayed close to the original meaning of "overflow" or "more than necessary". Avoiding redundancy is one of the prime rules of good writing. ""In the modern world of today" contains a redundancy; so does "He died of fatal wounds" and "For the mutual benefit of both parties". But redundancy doesn't just occur in language. "Data redundancy" means keeping the same computer data in more than one place as a safety measure, and a backup system in an airplane may provide redundancy, again for the sake of safety.

Examples of redundancy in a Sentence

Avoid redundancy in your writing. Try to avoid using redundancies in your writing. The design incorporates several redundancies. a system with a high level of redundancy The restructuring is expected to result in the redundancy of several hundred workers. The workers are now facing redundancy. See More
Recent Examples on the Web The bank took about a year to work things through, helping to retrain employees and offering redundancy packages to others. London Business School, Forbes, 6 May 2022 Our goal is to do more of it by reducing redundancy. Lauren Gustus, The Salt Lake Tribune, 25 Jan. 2022 Some companies have begun trying to build across multiple clouds to build redundancy and reduce risks of outages. Aaron Tilley, WSJ, 7 Dec. 2021 At this point, The Shoppes at Parma is meticulously looking at specific additions to its vast offerings while carefully avoiding redundancy. John Benson, cleveland, 27 Oct. 2021 In addition, the company builds redundancy into every cloud service., 7 Oct. 2021 Investments can help harden the grid, for sure – such as reducing potential points of critical failure, putting lines underground where feasible, and adding redundancy. Xander Peters, The Christian Science Monitor, 22 Sep. 2021 When the furlough scheme ends in autumn, Gingerbread expects many single parents to face redundancy. Marisa Bate,, 28 Aug. 2021 The Reds had some redundancy with Suárez and Mike Moustakas at third base. Bobby Nightengale, The Enquirer, 26 Apr. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'redundancy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of redundancy

1601, in the meaning defined at sense 1a

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The first known use of redundancy was in 1601

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Last Updated

10 May 2022

Cite this Entry

“Redundancy.” Dictionary, Merriam-Webster, Accessed 18 May. 2022.

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More from Merriam-Webster on redundancy

Nglish: Translation of redundancy for Spanish Speakers

Britannica English: Translation of redundancy for Arabic Speakers Encyclopedia article about redundancy


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