2064790 jmdict A [id=2149596]

だれる；ダレる
[1][v1,vi]
  to become dull; to become lifeless; to grow listless; to drag
[2][v1,vi]
  to get bored; to lose interest
[3][v1,vi]
  to lose value after a peak (e.g. stock); to weaken (of the market); to slacken