• WordNet 3.6
    • adj 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"
    • adj redundant 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"
    • ***
Webster's Revised Unabridged Dictionary
    • Redundant Exceeding what is natural or necessary; superabundant; exuberant; as, a redundant quantity of bile or food. "Notwithstanding the redundant oil in fishes, they do not increase fat so much as flesh."
    • Redundant Using more worrds or images than are necessary or useful; pleonastic. "Where an suthor is redundant , mark those paragraphs to be retrenched."
    • ***
Century Dictionary and Cyclopedia
    • redundant Rolling or flowing back, as a wave or surge.
    • redundant Superfluous; exceeding what is natural or necessary; superabundant; exuberant.
    • redundant Using or containing more words or images than are necessary or useful: as, a redundant style.
    • redundant Noting a condition of the wing membrane in bats when it extends well down on the leg, and on the arm embraces the thumb beyond the first phalanx.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Redundant superfluous, as in words or images:
    • adj Redundant (Milt.) flowing back, as a wave
    • ***


Webster's Revised Unabridged Dictionary
L. redundans, -antis, p. pr. of redundare,: cf. F. redondant,. See Redound
Chambers's Twentieth Century Dictionary
Fr.,—L. redund-ans, -antis, pr.p. of redundāre, to redound.


In literature:

This method is universally applicable where there are no redundant members.
"Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3" by Various
The effect of redundancy and expansiveness thus heightened and increased on Grandma's features was striking in the extreme.
"Cape Cod Folks" by Sarah P. McLean Greene
The phrase seems redundant, but 'trivial' may here be used in the strict sense of common or well-known.
"Milton's Comus" by John Milton
The chief expedients of Lord Stanley to relieve the colony from the redundancy of labor, and pressure on the treasury, were never applied.
"The History of Tasmania , Volume II (of 2)" by John West
"The Physical Life of Woman:" by Dr. George H Napheys
He weakened it by asking the classic redundancy.
"Attrition" by Jim Wannamaker
I must get the whole in; and for due emphasis am very probably redundant.
"From Sail to Steam, Recollections of Naval Life" by Captain A. T. Mahan
Not less redundant is the tree, So sweet a thing is luxury.
"A Hundred Fables of La Fontaine" by Jean de La Fontaine
He is never careless, seldom redundant.
"American Sketches" by Charles Whibley
Troy and the Troad were redundantly rich; it was their great crime to be so.
"The Posthumous Works of Thomas De Quincey, Vol. II (2 vols)" by Thomas De Quincey

In poetry:

Sweet enough were she who could,
In thy heart's sweet neighbourhood,
Some redundant sweetness thus
Borrow from that overplus.
""Scentless Flow'rs I Bring Thee"" by William Watson
On Sarum's plain I met a wandering fair;
The look of sorrow, lovely still, she bore;
Loose flow'd the soft redundance of her hair,
And on her brow a flowery wreath she wore.
"Elegy XVI. He Suggests the Advantage of Birth To a Person of Merit" by William Shenstone
The tropic day's redundant charms
Cool twilight soothes away,
The sun slips down behind the palms
And leaves the landscape grey.
I want to take you in my arms
And kiss your lips away!
"Three Songs Of Zahir-u-Din" by Laurence Hope
SHE. Simple, in sooth, and haply true: withal,
Too, too autumnal even for my heart.
I never weary of your vernal note.
Carol again, and sing me back my youth
With the redundant melodies of Spring.
"A Dialogue At Fiesole" by Alfred Austin

In news:

Redundancy helps Universal Security Monitoring grow.
Too much of redundant product is not going to make home textiles sales increase.
Ohio lawmakers fight regulatory redundancy .
Saatchi Bangkok staff face redundancy as P&G business moves to Singapore.
As I was putting myself and my company out there in the cyber-universe, I realized how easy it would be for them all to become redundant .
Redundancy powers Texas hospital.
Eliminating Redundancy Through Tool Data Management.
70% admitted they had multiple projects in place for each regulation, even though it's redundant .
Measure to force condoms in porn films is redundant and could harm an important local industry.
'Boutique' court is both expensive and redundant .
It's really not redundant : Stock now, save later.
'Right To Pray' Or Redundant Rights.
Governor calls arts, sea grants agencies redundant, axes $9.5 million targeted to fund them.
Banks have been under increasing pressure to cut costs and eliminate redundancies.
Not even Thor can save the tedious amateur hour (plus) that is Red Dawn, an unnecessary remake (is that redundant?

In science:

The n constraints ˙σ = 0 are redundant but necessary to set up a phase space picture of the dynamics.
Phase space flows for non-Hamiltonian systems with constraints
It appears that balls do not necessarily remain pointed upon adding VFpoints to T1 ; so (3) is not redundant.
Integration in valued fields
In our paper it was shown that most of the frequencies are redundant.
Random Menshov spectra
Apart from the redundant ensemble expectation, Eqs. (1)-(2) still define a valid worst-case pure state error probability.
Random decoupling schemes for quantum dynamical control and error suppression
Remark: The redundancy of the first half of (4.2.24) shows that, as the critical curve is crossed from D to L, localization occurs in the BA-blocks rather than in the AB -blocks.
Localization transition for a copolymer in an emulsion