Source : Webster's Revised Unabridged Dictionary (1913)

Wobble \Wob"ble\, v. i.
   See {Wabble}.

Source : WordNet®

wobble
     n : an unsteady rocking motion

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