depression (n.)

  1. a mental state characterized by a pessimistic sense of inadequacy and a despondent lack of activity

  2. pushing down; depression of the space bar on the typewriter'

  3. a long-term economic state characterized by unemployment and low prices and low levels of trade and investment

    [ Syn: slump , slump , economic crisis , economic crisis ]

  4. a sunken or depressed geological formation

    [ Syn: natural depression ]

  5. sad feelings of gloom and inadequacy

  6. a period during the 1930s when there was a worldwide economic depression and mass unemployment

    [ Syn: depression , great depression ]

  7. an air mass of lower pressure; often brings precipitation; a low moved in over night bringing sleet and snow

    [ Syn: low ]

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

    [ Syn: depressive disorder , clinical depression ]

  9. a concavity in a surface produced by pressing; he left the impression of his fingers in the soft mud

    [ Syn: impression , imprint ]

  10. angular distance below the horizon (especially of a celestial object)

The dictionary is based on the WordNet Electronic Lexical Database.
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