Source : Webster's Revised Unabridged Dictionary (1913)

Dilapidation \Di*lap`i*da"tion\, n. [L. dilapidatio: cf. F.
   dilapidation.]
   1. The act of dilapidating, or the state of being
      dilapidated, reduced to decay, partially ruined, or
      squandered.

            Tell the people that are relived by the dilapidation
            of their public estate.               --Burke.

   2. Ecclesiastical waste; impairing of church property by an
      incumbent, through neglect or by intention.

            The business of dilapidations came on between our
            bishop and the Archibishop of York.   --Strype.

   3. (Law) The pulling down of a building, or suffering it to
      fall or be in a state of decay. --Burrill.

Source : WordNet®

dilapidation
     n 1: a state of deterioration due to old age or long use [syn: {decrepitude}]
     2: the process of becoming dilapidated [syn: {ruin}]