沉闷

沉悶
chénmèn
  1. oppressive (of weather)
  2. heavy
  3. depressed
  4. not happy
  5. (of sound) dull
  6. muffled

CEDICT

Entry Composition

=1 沉 chén variant of 沉 chén
=1 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
2 闷 mèn
  1. bored
  2. depressed
  3. melancholy
  4. sealed
  5. airtight
  6. tightly closed