redundancy

Noun

redundancy (countable and uncountable, plural redundancies)

1. The state of being redundant.

   Synonyms:

   redundance, pro-chrono continuum, superfluity, superfluousness, dead wood

2. A superfluity; something redundant or excessive; a needless repetition in language.
   • […] 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.1671, Thomas Watson, The Beatitudes, page 204
3. A duplication of components or circuits to provide survival of the total system in case of failure of single components.
   • Staff redundancy is needed in the event that a supervisor and key unit supervisors are not present or unable to act in an emergency.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...
4. Duplication of parts of a message to guard against transmission errors.
5. (Australia, New Zealand, UK) The state of being unemployed because one's job is no longer necessary; the dismissal of such an employee; a layoff.
   • 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?1981, New Zealand House of Representatives. Parliamentary Debates, Volume 442, page 4212
   • 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 […] .1983, UK House of Commons, Papers by Command, Volume 40, page lvi

   Synonyms:

   sacking

6. surplusage inserted in a pleading which may be rejected by the court without impairing the validity of what remains.