[rid-ns] 
| 1. | the act or fact of clearing away or out, as anything undesirable. |
| 2. | relief or deliverance from something. |
| 3. | good riddance, a welcome relief or deliverance from something: He's gone, and good riddance! |
good riddance
Also, good riddance to bad rubbish. A welcome loss or departure. This expression is often used as an exclamation. For example, The principal has finally retired, and most of the teachers are saying, "Good riddance!" or When Jean decided to give up her violin her relieved family quietly said, "Good riddance to bad rubbish.". [Late 1700s]
ns