that    said    his company was poorly  managed.To  defame   is  to  take    away    fame,   to  take    away    a   good    name.   To  suffer  such    a   loss    of
reputation  is  to  suffer  defamation.
- The    businessman     who     believed    he  had     been   defamed  by  the     newspaper   sued    the
paper’s publisher for defamation. 
DEFILE (di FYLE) v to make filthy or foul; to desecrate
- The snowy field was so beautiful that I hated to defile it by driving across it.
 - In the night, vandals defiled the painting behind the altar, covering it with spray paint.
 
DEFUNCT (di FUNKT) adj no longer in effect; no longer in existence
- Most  of  the businesses  in  the oldest  section of  downtown    were    now defunct;    the new
specialty stores on the other side of the river had put them out of business. - My    already limited interest    in  cutting the grass   was just    about   defunct by  the time    the
grass was actually ready to cut, so I never got around to doing it. - The long spell of extremely hot weather left my entire garden defunct.
 
Defunct is related to the word function.
DEGENERATE (di JEN uh rayt) v to break down; to deteriorate
- The discussion quickly degenerated into an argument.
 - Over the years, the nice old neighborhood had degenerated into a terrible slum.
 - The fans’ behavior degenerated as the game went on.
 
A person whose behavior has degenerated can be referred to as a degenerate (di JEN ur it):
- The   mood    of  the party   was spoiled when    a   drunken degenerate  wandered    in  from    the
street. 
DEGRADE (di GRAYD) v to lower in dignity or status; to corrupt; to deteriorate
- Being made    to  perform menial  duties  at  the behest  of  overbearing male    senior  partners
clearly degrades the law firm’s female associates. - The   former  bank    president   felt    degraded    working as  a   teller, but he  was unable  to  find
any other job. The former bank president felt that working as a teller was degrading. - The   secret  potion  had degraded    over    the years   to  the point   at  which   it  was no  longer
capable of turning a person into a frog. 
Degradation (deg ruh DAY shun) is the act of degrading or the state of being degraded.
DEJECTED (di JEK tid) adj depressed; disheartened
- Barney    was dejected    when    he  heard   that    Fred    had gone    to  the lodge   without him,    but he
cheered up later when Betty made him some brownies.