Superfluous \Su*per"flu*ous\, a. [L. superfluus overflowing; super over, above + fluere to flow. See Super-, and Fluent.]

More than is wanted or is sufficient; rendered unnecessary by superabundance; unnecessary; useless; excessive; as, a superfluous price. --Shak. [1913 Webster]

An authority which makes all further argument or illustration superfluous. --E. Everett. [1913 Webster]

Superfluous interval (Mus.), an interval that exceeds a major or perfect interval by a semitone. [1913 Webster]

Syn: Unnecessary; useless; exuberant; excessive; redundant; needless. [1913 Webster] -- Su*per"flu*ous*ly, adv. -- Su*per"flu*ous*ness, n. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

73 Moby Thesaurus words for "superfluous": accessory, accidental, additional, adscititious, adventitious, aimless, appurtenant, ascititious, auxiliary, casual, circumstantial, collateral, contingent, de trop, dispensable, excess, excessive, expendable, expletive, extra, feckless, fortuitous, gratuitous, impotent, in excess, incidental, ineffective, ineffectual, inessential, left, leftover, meaningless, needless, net, no go, nonessential, odd, of no use, outstanding, over, pleonastic, pointless, prolix, purposeless, redundant, remaining, remanent, secondary, spare, subsidiary, superabundant, superadded, supererogatory, supernumerary, supervenient, supplemental, supplementary, surplus, surviving, tautologic, tautologous, to spare, unasked, unavailing, uncalled-for, unconsumed, unessential, unnecessary, unneeded, unused, unwanted, useless, verbose

Source: Moby Thesaurus II by Grady Ward, 1.0
 

superfluous adj
1: serving no useful purpose; having no excuse for being; "otiose lines in a play"; "advice is wasted words" [syn: otiose, pointless, wasted]
2: 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, supernumerary, surplus]

Source: WordNet (r) 2.0
 

Superfluous \Su*per"flu*ous\, a. [L. superfluus overflowing; super over, above + fluere to flow. See Super-, and Fluent.]

More than is wanted or is sufficient; rendered unnecessary by superabundance; unnecessary; useless; excessive; as, a superfluous price. --Shak.

An authority which makes all further argument or illustration superfluous. --E. Everett.

Superfluous interval (Mus.), an interval that exceeds a major or perfect interval by a semitone.

Syn: Unnecessary; useless; exuberant; excessive; redundant; needless. -- Su*per"flu*ous*ly, adv. -- Su*per"flu*ous*ness, n.

Source: Webster's Revised Unabridged Dictionary (1913)