Definition of Depression

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

2. Noun. A long-term economic state characterized by unemployment and low prices and low levels of trade and investment.
Exact synonyms: Economic Crisis, Slump
Generic synonyms: Crisis, Economic Condition
Specialized synonyms: Great Depression
Derivative terms: Slump

3. Noun. A sunken or depressed geological formation.

4. Noun. Sad feelings of gloom and inadequacy.

5. Noun. A period during the 1930s when there was a worldwide economic depression and mass unemployment.
Exact synonyms: Great Depression
Generic synonyms: Age, Historic Period

6. Noun. An air mass of lower pressure; often brings precipitation. "A low moved in over night bringing sleet and snow"
Exact synonyms: Low
Generic synonyms: Air Mass
Group relationships: Cyclone

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

8. Noun. A concavity in a surface produced by pressing. "He left the impression of his fingers in the soft mud"

9. Noun. Angular distance below the horizon (especially of a celestial object).
Generic synonyms: Angular Position

10. Noun. Pushing down. "Depression of the space bar on the typewriter"
Generic synonyms: Push, Pushing
Specialized synonyms: Click, Mouse Click
Derivative terms: Depress

Definition of Depression

1. n. The act of depressing.

Definition of Depression

1. Noun. (geography) an area that is lower in topography than its surroundings ¹

2. Noun. (psychology) in psychotherapy and psychiatry, a state of mind producing serious, long-term lowering of enjoyment of life or inability to visualize a happy future ¹

3. Noun. (psychology) in psychotherapy and psychiatry, a period of unhappiness or low morale which lasts longer than several weeks and may include ideation of self-inflicted injury or suicide ¹

4. Noun. (meteorology) an area of lowered air pressure that generally brings moist weather, sometimes promoting hurricanes and tornadoes ¹

5. Noun. (economics) a period of major economic contraction; ¹

6. Noun. (economics US) Four consecutive quarters of negative, real GDP growth. See NBER. ¹

7. Noun. (biology physiology) a lowering, in particular a reduction in a particular biological variable or the function of an organ, in contrast to elevation ¹

¹ Source:

Definition of Depression

1. [n -S]

Medical Definition of Depression

1. 1. A lowering or decrease of functional activity. 2. A mental state of depressed mood characterised by feelings of sadness, despair and discouragement. Depression ranges from normal feelings of the blues through dysthymia to major depression. It in many ways resembles the grief and mourning that follow bereavement, there are often feelings of low self esteem, guilt and self reproach, withdrawal from interpersonal contact and somatic symptoms such as eating and sleep disturbances. Origin: L. Depremere = to press down This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Depression

depressed fracture
depressed skull fracture
depression (current term)
depression of optic disk
depressive disorder
depressive neurosis
depressive psychosis
depressive reaction
depressive stupor
depressive syndrome

Literary usage of Depression

Below you will find example usage of this term as found in modern and/or classical literature:

1. The American Journal of Psychology by Granville Stanley Hall, Edward Bradford Titchener (1909)
"Such interpretations, however, have no relation to the comparison of the depth of depression in different individuals, applying only to the different ..."

2. The History of Political Parties in the Province of New York, 1760-1776 by Carl Lotus Becker (1904)
"CHAPTER V. THE RECENT depression AND THE PRESENT SITUATION. By 1836 the depression which followed the war had practically ceased and the period from this ..."

3. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1877)
"Tlie Neuralgia of the 9th and 10th corresponds regularly to depression marked II. on the map. The slight burning Neuralgia in the small toes of the 12/Л and ..."

4. The Evolution of Modern Capitalism: A Study of Machine Production by John Atkinson Hobson (1902)
"The connection of modern Machine-production and depression shown by statistics of price. § 5. ... Summary of economic relation of Machinery to depression. ..."

5. Monographic Medicine by William Robie Patten Emerson, Guido Guerrini, William Brown, Wendell Christopher Phillips, John Whitridge Williams, John Appleton Swett, Hans Günther, Mario Mariotti, Hugh Grant Rowell (1916)
"(6) Apathy Apathy, or depression of emotional excitability, is seen in the various forms of stupor, in the apathy of dementia praecox, and in that of ..."

6. The Popular Science Monthly (1887)
"The prevailing depression in business from -which this country has suffered for six years, ... We have just passed through a period of depression, of which, ..."

7. Proceedings of the Society for Experimental Biology and Medicine (1903)
"function following hemolyzed blood injection is similar to RES colloid blockade in terms of colloid clearance depression and the pattern of tissue colloid ..."

8. Transactions by North of England Institute of Mining and Mechanical Engineers, American Society of Civil Engineers., Gerard H. Matthes (1883)
"A slight fluctuation then occurs up to Wednesday, the 9th, at 8 am (line d), when there is another great depression, the lowest point being obtained on ..."

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