Redundancy
noun ·Common ·High school level
Definitions
- 1 The state of being redundant. countable, uncountable
- 2 repetition of an act needlessly wordnet
- 3 A superfluity; something redundant or excessive; a needless repetition in language. countable, uncountable
"[…] the fulneſs of the creature is limited, it ariſeth juſt to ſuch a degree and proportion, but Gods fulneſs is infinite, as it hath its Reſplendency, ſo its Redundancy, it knows neither bounds nor bottom."
- 4 the attribute of being superfluous and unneeded wordnet
- 5 A duplication of components or circuits to provide survival of the total system in case of failure of single components. countable, uncountable
"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."
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- 6 (electronics) a system design that duplicates components to provide alternatives in case one component fails wordnet
- 7 Duplication of parts of a message to guard against transmission errors. countable, uncountable
- 8 repetition of messages to reduce the probability of errors in transmission wordnet
- 9 The state of being unemployed because one's job is no longer necessary; the dismissal of such an employee; a layoff. Australia, New-Zealand, UK, countable, uncountable
"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?"
- 10 surplusage inserted in a pleading which may be rejected by the court without impairing the validity of what remains. countable, uncountable
Example
More examples"RAID-1 achieves redundancy by mirroring data on several disks."
Etymology
From redundant + -cy.
Related phrases
More for "redundancy"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.