Source : Webster's Revised Unabridged Dictionary (1913)

Fuss \Fuss\, n. [Cf. {Fusome}.]
   1. A tumult; a bustle; unnecessary or annoying ado about
      trifles. --Byron.

            Zealously, assiduously, and with a minimum of fuss
            or noise                              --Carlyle.

   2. One who is unduly anxious about trifles. [R.]

            I am a fuss and I don't deny it.      --W. D.
                                                  Howell.

Fuss \Fuss\, v. i. [imp. & p. p. {Fussed}; p. pr. & vb. n.
   {Fussing}.]
   To be overbusy or unduly anxious about trifles; to make a
   bustle or ado. --Sir W. Scott.

Source : WordNet®

fuss
     v 1: worry unnecessarily or excessively; "don't fuss too much
          over the grandchildren--they are quite big now" [syn: {niggle},
           {fret}]
     2: care for like a mother; "She fusses over her husband" [syn:
        {mother}, {overprotect}]

fuss
     n 1: an excited state of agitation; "he was in a dither"; "there
          was a terrible flap about the theft" [syn: {dither}, {pother},
           {tizzy}, {flap}]
     2: an angry disturbance; "he didn't want to make a fuss"; "they
        had labor trouble"; "a spot of bother" [syn: {trouble}, {bother},
         {hassle}]
     3: a quarrel about petty points [syn: {bicker}, {bickering}, {spat},
         {tiff}, {squabble}, {pettifoggery}]
     4: a rapid bustling commotion [syn: {bustle}, {hustle}, {flurry},
         {ado}, {stir}]