The Collaborative International Dictionary of English v.0.48:

Overhang \O`ver*hang"\, v. t. [imp. & p. p. Overhung; p. pr. &
   vb. n. Overhanging.]
   1. To impend or hang over. [R.] --Beau. & Fl.
      [1913 Webster]

   2. To hang over; to jut or project over. --Pope.
      [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

52 Moby Thesaurus words for "overhanging":
   about to be, already in sight, approaching, at hand, beetle,
   beetle-browed, beetling, brewing, close, close at hand, coming,
   forthcoming, future, gathering, going to happen, immediate,
   imminent, impendence, impendency, impendent, impending,
   in danger imminent, in prospect, in reserve, in store,
   in the cards, in the offing, in the wind, in view, incumbent,
   instant, jutting, looming, lowering, lurking, menacing, near,
   near at hand, nearing, on the horizon, overhang, overhung, pending,
   preparing, projecting, projection, superincumbent, that will be,
   threatening, to come, upcoming, waiting