消沉

xiāochén
  1. to sink into despondency
  2. (of morale, willpower etc) to diminish; to plummet

CEDICT

Entry Composition

1 消 xiāo
  1. to diminish; to subside
  2. to consume; to reduce
  3. to idle away (the time)
  4. (after 不 bù or 只 zhǐ or 何 hé etc) to need; to require; to take
=2 沉 chén variant of 沉 chén
=2 沉 chén
  1. to submerge
  2. to immerse
  3. to sink
  4. to keep down
  5. to lower
  6. to drop
  7. deep
  8. profound
  9. heavy