DEPRESSION

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

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

A long-term economic state characterized by unemployment and low prices and low levels of trade and investment

A sunken or depressed geological formation

Sad feelings of gloom and inadequacy

An air mass of lower pressure; often brings precipitation

Example: "A low moved in over night bringing sleet and snow"

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

A concavity in a surface produced by pressing

Example: "He left the impression of his fingers in the soft mud"

Angular distance below the horizon (especially of a celestial object)

Pushing down

Example: "Depression of the space bar on the typewriter"