redundancy

noun

re·​dun·​dan·​cy ri-ˈdən-dən(t)-sē How to pronounce redundancy (audio)
plural redundancies
1
a
: 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
2
3
a
: 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

Did you know?

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.
Recent Examples on the Web Many propellers offer safety redundancy that helicopters, with only one or two rotors, cannot, Moore says. Steven Ashley, Scientific American, 14 June 2024 Certification bodies should test them rigorously, which will cut through regulatory redundancy and help manufacturers meet and exceed regulatory standards. Jon M. Williams, New York Daily News, 26 May 2024 Transparency, please Koerner's remark about redundancy almost certainly reflects the space agency's peevishness with the continual oversight of these bodies. Eric Berger, Ars Technica, 2 May 2024 Having faced constant cyberattacks even in peacetime, the United States should armor itself with redundancy, creating backup systems and alternative paths for data flows. Eric Schmidt, Foreign Affairs, 28 Feb. 2023 See all Example Sentences for redundancy 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'redundancy.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1601, in the meaning defined at sense 1a

Time Traveler
The first known use of redundancy was in 1601

Dictionary Entries Near redundancy

Cite this Entry

“Redundancy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/redundancy. Accessed 7 Jul. 2024.

Kids Definition

redundancy

noun
re·​dun·​dan·​cy ri-ˈdən-dən-sē How to pronounce redundancy (audio)
plural redundancies
1
: the quality or state of being redundant
2
a
: the use of unnecessary words
b
: an act or instance of needless repetition

More from Merriam-Webster on redundancy

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!