su·per·flu·ous /sʊˈpɝfluəs/
 (a.)多餘的,過剩的


 Su·per·flu·ous a.  More than is wanted or is sufficient; rendered unnecessary by superabundance; unnecessary; useless; excessive; as, a superfluous price.
    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.

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 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]