[syn: pleonastic, redundant, tautologic, tautological]
The Collaborative International Dictionary of English v.0.48:
Redundant \Re*dun"dant\ (-dant), a. [L. redundans, -antis, p.
   pr. of redundare: cf. F. redondant. See Redound.]
   1. Exceeding what is natural or necessary; superabundant;
      exuberant; as, a redundant quantity of bile or food.
      [1913 Webster]
            Notwithstanding the redundant oil in fishes, they do
            not increase fat so much as flesh.    --Arbuthnot.
      [1913 Webster]
   2. Using more worrds or images than are necessary or useful;
      pleonastic.
      [1913 Webster]
            Where an suthor is redundant, mark those paragraphs
            to be retrenched.                     --I. Watts.
      [1913 Webster]
   Syn: Superfluous; superabundant; excessive; exuberant;
        overflowing; plentiful; copious.
        [1913 Webster]
WordNet (r) 3.0 (2006):
redundant
    adj 1: 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" [syn: excess, extra, redundant, spare,
           supererogatory, superfluous, supernumerary,
           surplus]
    2: 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 [syn: pleonastic, redundant, tautologic,
       tautological]
Moby Thesaurus II by Grady Ward, 1.0:
70 Moby Thesaurus words for "redundant":
   abundant, battological, circumlocutory, copious, de trop, diffuse,
   diffusive, dispensable, duplicative, echoic, echoing, effusive,
   excess, excessive, expendable, expletive, extra, extravagant,
   exuberant, fecund, formless, gratuitous, gushing, gushy, imitative,
   in excess, inessential, iterative, long-winded, needless,
   nonessential, overflowing, parrotlike, pleonastic, prodigal,
   productive, profuse, profusive, prolific, prolix, recapitulative,
   reduplicative, reechoing, reiterant, reiterative, repeating,
   repetitional, repetitionary, repetitious, repetitive, roundabout,
   spare, superabundant, supererogatory, superfluous, supernumerary,
   surplus, tautologic, tautological, tautologous, teeming, to spare,
   uncalled-for, unessential, unnecessary, unneeded, unwanted,
   verbose, windy, wordy
The Devil's Dictionary (1881-1906):
REDUNDANT, adj.  Superfluous; needless; _de trop_.
    The Sultan said:  "There's evidence abundant
    To prove this unbelieving dog redundant."
    To whom the Grand Vizier, with mien impressive,
    Replied:  "His head, at least, appears excessive."
                                                       Habeeb Suleiman
    Mr. Debs is a redundant citizen.
                                                    Theodore Roosevelt