Source : Webster's Revised Unabridged Dictionary (1913)

Riddance \Rid"dance\, n.
   1. The act of ridding or freeing; deliverance; a cleaning up
      or out.

            Thou shalt not make clean riddance of the corners of
            thy field.                            --Lev. xxiii.
                                                  22.

   2. The state of being rid or free; freedom; escape.
      ``Riddance from all adversity.'' --Hooker.

Source : WordNet®

riddance
     n 1: the act of removing or getting rid of something [syn: {elimination}]
     2: the act of forcing out someone or something; "the ejection
        of troublemakers by the police"; "the child's expulsion
        from school" [syn: {ejection}, {exclusion}, {expulsion}]