re·​dun·​dant | \ ri-ˈdən-dənt How to pronounce redundant (audio) \

Definition of redundant

1a : exceeding what is necessary or normal : superfluous
b : characterized by or containing an excess specifically : using more words than necessary
c : characterized by similarity or repetition a group of particularly redundant brick buildings
d chiefly British : no longer needed for a job and hence laid off
3 : serving as a duplicate for preventing failure of an entire system (such as a spacecraft) upon failure of a single component

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Other Words from redundant

redundantly adverb

Examples of redundant in a Sentence

The drone had originally been designed to go places the Blackbird could not, but it had become redundant on discovery of the fact that there was nowhere the SR-71 could not go in safety … — Tom Clancy, The Cardinal of the Kremlin, 1989 Undoubtedly in ninety-nine cases out of a hundred a witness to an occurrence is someone who has seen it. Therefore, some editors have said, eyewitness is a redundant word and it should be consigned to the dustbin. — Theodore M. Bernstein, Mrs. Thistlebottom's Hobgoblins, 1971 There they sat, grounded upon the ground, silent, uncomplaining, with bowed heads, a pathetic sight. And by hideous contrast, a redundant orator was making a speech to another gathering not thirty steps away … — Mark Twain, A Connecticut Yankee in King Arthur's Court, 1889 He edited the paper and removed any redundant information or statements. Avoid redundant expressions in your writing. Some people say that since all adages are old, the phrase “old adage” is redundant.
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Recent Examples on the Web Foreign companies can use the OTC markets to gain access to U.S. investors without needing to comply with American accounting and financial-reporting rules that may be redundant with the regulations in their home countries. Alexander Osipovich, WSJ, 4 Oct. 2021 There’s no need to be redundant in recounting them. Los Angeles Times, 23 July 2021 The walleye fishing forecast has been pretty redundant, and that’s a good thing. D'arcy Egan, cleveland, 15 July 2021 Safety features start with the flight-control system, which is fully redundant and constantly assesses flight information and battery charge. J. George Gorant, Robb Report, 15 July 2021 Austin Wagner, who flies around without finishing, is redundant in a lineup with Andreas Athanasiou., 19 June 2021 Melissa Ruiz, a spokeswoman for Kinder Morgan, said the company’s critical systems are fully redundant. Rob Nikolewski, San Diego Union-Tribune, 12 May 2021 Whale oil was made redundant by the petroleum industry. Wyatt Williams, Harper's Magazine, 17 Aug. 2021 There has previously been speculation that future stealth aircraft would not need windows, as these would be made redundant by systems like the EOTS camera in the F-35 which gives the pilot a high-definition 360-degree view around them. David Hambling, Forbes, 7 July 2021

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

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First Known Use of redundant

1594, in the meaning defined at sense 1a

History and Etymology for redundant

Latin redundant-, redundans, present participle of redundare to overflow — more at redound

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Time Traveler for redundant

Time Traveler

The first known use of redundant was in 1594

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Dictionary Entries Near redundant



redundant member

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Last Updated

14 Oct 2021

Cite this Entry

“Redundant.” Dictionary, Merriam-Webster, Accessed 17 Oct. 2021.

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More Definitions for redundant



English Language Learners Definition of redundant

: repeating something else and therefore unnecessary
used to describe part of a machine, system, etc., that has the same function as another part and that exists so that the entire machine, system, etc., will not fail if the main part fails
: dismissed from a job because you are no longer needed


re·​dun·​dant | \ ri-ˈdən-dənt How to pronounce redundant (audio) \

Medical Definition of redundant

: characterized by or containing an excess or superfluous amount redundant pharyngeal tissue

More from Merriam-Webster on redundant

Nglish: Translation of redundant for Spanish Speakers

Britannica English: Translation of redundant for Arabic Speakers


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