Source : Webster's Revised Unabridged Dictionary (1913)

Swamp \Swamp\, v. t. [imp. & p. p. {Swamped}; p. pr. & vb. n.
   {Swamping}.]
   1. To plunge or sink into a swamp.

   2. (Naut.) To cause (a boat) to become filled with water; to
      capsize or sink by whelming with water.

   3. Fig.: To plunge into difficulties and perils; to
      overwhelm; to ruin; to wreck.

            The Whig majority of the house of Lords was swamped
            by the creation of twelve Tory peers. --J. R. Green.

            Having swamped himself in following the ignis fatuus
            of a theory.                          --Sir W.
                                                  Hamilton.