The Collaborative International Dictionary of English v.0.48:

Scamper \Scam"per\, v. i. [imp. & p. p. Scampered; p. pr. &
   vb. n. Scampering.] [OF. escamper to escape, to save one's
   self; L. ex from + campus the field (sc. of battle). See
   Camp, and cf. Decamp, Scamp, n., Shamble, v. t.]
   To run with speed; to run or move in a quick, hurried manner;
   to hasten away. --Macaulay.
   [1913 Webster]

         The lady, however, . . . could not help scampering
         about the room after a mouse.            --S. Sharpe.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Scamper \Scam"per\, n.
   A scampering; a hasty flight.
   [1913 Webster]

WordNet (r) 3.0 (2006):

scamper
    n 1: rushing about hastily in an undignified way [syn:
         scamper, scramble, scurry]
    v 1: to move about or proceed hurriedly; "so terrified by the
         extraordinary ebbing of the sea that they scurried to
         higher ground" [syn: scurry, scamper, skitter,
         scuttle]

Moby Thesaurus II by Grady Ward, 1.0:

93 Moby Thesaurus words for "scamper":
   bolt, bundle, burst, burst of speed, bustle, canter, career, chase,
   crowd, dart, dash, dash off, dash on, dead run, dig out, dogtrot,
   double-time, drive, festinate, flank speed, flat-out speed, flee,
   fling, flurry, flutter, fly, forced draft, full gallop, gallop,
   get going, get moving, hand gallop, haste, hasten, hasten off,
   headlong rush, heavy right foot, helter-skelter, hie, high lope,
   hump, hump it, hurry, hurry away, hurry on, hurry through,
   hurry up, hurry-scurry, hurtle, hustle, jog trot, leap, light out,
   lope, lose no time, make haste, make off, maximum speed,
   move quickly, nip, nip off, open throttle, plunge, post, press on,
   push on, race, run, rush, rush through, scamper off, scoot, scour,
   scramble, screw, scud, scurry, scuttle, shoot, skedaddle, skin out,
   skip, speed, sprint, spurt, step on it, tear, tear off, tear out,
   trot, whip off, whiz off, wide-open speed