If you are made redundant, your employer tells you to leave because your job is no longer necessary or because your employer cannot afford to keep paying you. My husband was made redundant late last year. a redundant miner
more than is needed, desired, or required; "trying to lose excess weight"; "found some extra change lying on the dresser"; "yet another book on heraldry might be thought redundant"; "skills made redundant by technological advance"; "sleeping in the spare room"; "supernumerary ornamentation"; "it was supererogatory of her to gloat"; "delete superfluous (or unnecessary) words"; "extra ribs as well as other supernumerary internal parts"; "surplus cheese distributed to the needy"
use of more words than required to express an idea; "a wordy gossipy account of a simple incident"; "a redundant text crammed with amplifications of the obvious"
A duplicate disk or component that provides a recovery path in case of a failure
Something that is redundant is no longer needed because its job is being done by something else or because its job is no longer necessary or useful. Changes in technology may mean that once-valued skills are now redundant
repetition of same sense in different words; "`a true fact' and `a free gift' are pleonastic expressions"; "the phrase `a beginner who has just started' is tautological"; "at the risk of being redundant I return to my original proposition"- J B Conant
A second (or third) system that can substitute for the primary system if the primary fails