The Collaborative International Dictionary of English v.0.48:

Scuff \Scuff\, v. t. [imp. & p. p. Scuffed; p. pr. & vb. n.
   Scuffing.]
   1. To cause a blemish on the surface of, by scraping against
      an object; as, he scuffed his shoe on the ground.
      [PJC]

   2. To scrape with one's foot; as, he scuffed the chair leg
      with his shoe.
      [PJC]

The Collaborative International Dictionary of English v.0.48:

Scuff \Scuff\, v. i. [imp. & p. p. Scuffed (sk[u^]ft); p. pr.
   & vb. n. Scuffing.] [See Scuffle.]
   To walk without lifting the feet; to proceed with a scraping
   or dragging movement; to shuffle.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Scuff \Scuff\ (sk[u^]f), n. [Cf. D. schoft shoulder, Goth. skuft
   hair of the head. Cf. Scruff.]
   The back part of the neck; the scruff. [Prov. Eng.] --Ld.
   Lytton.
   [1913 Webster]

WordNet (r) 3.0 (2006):

scuff
    n 1: a slipper that has no fitting around the heel [syn: mule,
         scuff]
    2: the act of scuffing (scraping or dragging the feet)
    v 1: walk without lifting the feet [syn: scuff, drag]
    2: get or become scuffed; "These patent leather shoes scuffed"
    3: mar by scuffing; "scuffed shoes"
    4: poke at with the foot or toe

Moby Thesaurus II by Grady Ward, 1.0:

181 Moby Thesaurus words for "scuff":
   ablate, ablation, abrade, abrase, abrasion, abrasive, amble,
   attrition, barge, bark, blemish, bloody, bowl along, break,
   buffing, bundle, burn, burnishing, chafe, chafing, check, chip,
   claw, clump, concussion, crack, crackle, craze, cut, detrition,
   drag, dressing, erase, erasure, erode, erosion, file, filing,
   flash burn, flounce, foot, footslog, fracture, fray, frazzle, fret,
   fretting, gall, galling, gash, gnaw, gnaw away, grate, graze,
   grazing, grind, grinding, halt, hippety-hop, hitch, hobble, hop,
   hurt, incise, incision, injure, injury, jog, jolt, jump, lacerate,
   laceration, lesion, limation, limp, lumber, lunge, lurch, maim,
   make mincemeat of, maul, mince, mortal wound, mutilate, mutilation,
   pace, paddle, peg, piaffe, piaffer, pierce, plod, polishing,
   prance, puncture, rack, rasp, rasping, raze, rend, rent, rip, roll,
   rub away, rub off, rub out, rubbing away, run, rupture,
   sandblasting, sanding, sashay, saunter, savage, scald, scorch,
   scotch, scour, scouring, scrape, scraping, scratch, scratching,
   scrub, scrubbing, scuffle, scuttle, second-degree burn, shamble,
   shining, shovel, shuffle, sidle, single-foot, skin, skip, slash,
   slink, slit, slither, slog, slouch, smoothing, sore, sprain, stab,
   stab wound, stagger, stalk, stamp, stick, stomp, straddle,
   straggle, strain, stride, stroll, strut, stump, swagger, swing,
   tear, third-degree burn, tittup, toddle, totter, traipse, trauma,
   traumatize, trip, trudge, waddle, wamble, wear, wear away,
   wearing away, wiggle, wobble, wound, wounds immedicable, wrench