The Collaborative International Dictionary of English v.0.48:

Wobble \Wob"ble\, v. i.
   See Wabble.
   [1913 Webster]

WordNet (r) 3.0 (2006):

wobble
    n 1: an unsteady rocking motion
    v 1: move unsteadily; "His knees wobbled"; "The old cart wobbled
         down the street" [syn: wobble, coggle]
    2: move sideways or in an unsteady way; "The ship careened out
       of control" [syn: careen, wobble, shift, tilt]
    3: tremble or shake; "His voice wobbled with restrained emotion"
       [syn: shimmy, wobble]

Moby Thesaurus II by Grady Ward, 1.0:

175 Moby Thesaurus words for "wobble":
   alternate, amble, arrhythmia, back and fill, barge, bob, bobble,
   bounce, bowl along, brokenness, bump, bundle, capriciousness,
   careen, change, chatter, choppiness, clump, coggle, dangle,
   desultoriness, didder, disconnectedness, discontinuity, dither,
   drag, ebb and flow, eccentricity, equivocate, erraticness, falter,
   fibrillation, fitfulness, fits and starts, flounce, flounder,
   fluctuate, fluctuation, flutter, foot, footslog, go through phases,
   grimace, halt, have an ague, hippety-hop, hitch, hobble, hop,
   hustle, inconstancy, intermittence, irregularity, jactitate, jar,
   jerk, jerkiness, jig, jigget, jiggle, jog, joggle, jolt, jostle,
   jounce, jump, librate, limp, lumber, lunge, lurch, mince,
   nonuniformity, nutate, oscillate, pace, paddle, patchiness, peg,
   pendulate, piaffe, piaffer, pitch, plod, prance, quake, quaver,
   quiver, rack, reel, resonate, rictus, ring the changes, rock, roll,
   roughness, sashay, saunter, scuff, scuffle, scuttle, seesaw, shake,
   shamble, shift, shilly-shally, shimmy, shiver, shock, shudder,
   shuffle, sidle, single-foot, skip, slink, slither, slog, slouch,
   spasticity, sporadicity, sporadicness, spottiness, stagger, stalk,
   stammer, stamp, stomp, straddle, straggle, stride, stroll, strut,
   stumble, stump, swag, swagger, sway, swing, teeter, teeter-totter,
   tergiversate, tic, tittup, toddle, topple, toss, totter, traipse,
   tremble, tremor, trip, trudge, turn, twitch, twitter, uncertainty,
   unevenness, unmethodicalness, unpredictability, unsteadiness,
   unsystematicness, vacillate, variability, vary, vibrate, waddle,
   wag, waggle, wamble, wave, waver, wax and wane, weave,
   whimsicality, wiggle