Source : Webster's Revised Unabridged Dictionary (1913)

Shamble \Sham"ble\, v. i. [imp. & p. p. {Shambled}; p. pr. & vb.
   n. {Shambling}.] [Cf. OD. schampelen to slip, schampen to
   slip away, escape. Cf. {Scamble}, {Scamper}.]
   To walk awkwardly and unsteadily, as if the knees were weak;
   to shuffle along.

Shambling \Sham"bling\, a.
   Characterized by an awkward, irregular pace; as, a shambling
   trot; shambling legs.

Shambling \Sham"bling\, n.
   An awkward, irregular gait.

Source : WordNet®

shambling
     n : walking with a slow dragging motion without lifting your
         feet; "from his shambling I assumed he was very old"
         [syn: {shamble}, {shuffle}, {shuffling}]