depressions

depression

• n.
  • a mental state characterized by a pessimistic sense of inadequacy and a despondent lack of activity
  • a long-term economic state characterized by unemployment and low prices and low levels of trade and investment

    同义词：slumpeconomic crisis

  • a sunken or depressed geological formation

    同义词：natural depression

  • sad feelings of gloom and inadequacy
  • a period during the 1930s when there was a worldwide economic depression and mass unemployment

    同义词：Great Depression

  • an air mass of lower pressure; often brings precipitation

    同义词：lowlow pressure

  • a state of depression and anhedonia so severe as to require clinical intervention

    同义词：depressive disorderclinical depression

  • a concavity in a surface produced by pressing

    同义词：impressionimprint

  • angular distance below the horizon (especially of a celestial object)
  • pushing down

    "depression of the space bar on the typewriter"