Ru·in, v. t. [imp. & p. p. Ruined p. pr. & vb. n. Ruining.]  To bring to ruin; to cause to fall to pieces and decay; to make to perish; to bring to destruction; to bring to poverty or bankruptcy; to impair seriously; to damage essentially; to overthrow.
    this mortal house I'll ruin.   --Shak.
    By thee raised, I ruin all my foes.   --Milton.
    The eyes of other people are the eyes that ruin us.   --Franklin.
 By the fireside there are old men seated,
 Seeling ruined cities in the ashes.   --Longfellow.
 ruining
      n : destruction achieved by wrecking something [syn: laying
          waste, ruin, ruination, wrecking]