jaded

jaded \JEY-did\, adjective:
worn out; tired, weary
The bad guys were potential Islamic extremists. But anywhere, at this jaded stage in the global war on terror, was literally and metaphorically off the map: a remote African laboratory for the long anti-terror struggles of the future.
-- Paul Salopek, Chicago Tribune, 11/18/2008
The dynamism of this U.S. election will have important ripple effects elsewhere. Voters in much of the developing world have become jaded about elections, especially those heavily promoted by the United States.
-- Trudy Rubin, Miami Herald, 11/9/2008
c 1593, of unknown origin, possibly from Old Norse or Icelandic jalda "mare"