depression
n 1: a mental state characterized by a pessimistic sense of
inadequacy and a despondent lack of activity [ant: {elation}]
2: a long-term economic state characterized by unemployment and
low prices and low levels of trade and investment [syn: {slump},
{economic crisis}]
3: a sunken or depressed geological formation [syn: {natural
depression}] [ant: {natural elevation}]
4: sad feelings of gloom and inadequacy
5: an air mass of lower pressure; often brings precipitation;
"a low moved in over night bringing sleet and snow" [syn:
{low}, {low pressure}]
6: a state of depression and anhedonia so severe as to require
clinical intervention [syn: {depressive disorder}, {clinical
depression}]
7: a concavity in a surface produced by pressing; "he left the
impression of his fingers in the soft mud" [syn: {impression},
{imprint}]
8: angular distance below the horizon (especially of a
celestial object)
9: pushing down; "depression of the space bar on the
typewriter"