7 Answers

de·pres·sion/di?preSH?n/

Noun: Severe despondency and dejection, accompanied by feelings of hopelessness and inadequacy.A condition of mental disturbance, typically with lack of energy and difficulty in maintaining concentration or interest in life.

Hurt turned inside out.

A sadness, a slump or a hollow. It all depends upon what you are referencing.

If you are depressed....tired all the time, unable to sleep, losing interest in what you used to love doing, feeling irritable....see your doctor.  It could get worse, so don't delay!  Go now!  There is help available.

The definition from daren1 is where my mind went when I saw the word "depression" in the question.  Sometimes depression is situational; sometimes it is chemical (not drug-induced). Either way, it really sucks the life out of living.

To know a confining hurting shallow life without hope.

depression |di?pre sh ?n|
noun
1 severe despondency and dejection, typically felt over a period of time and accompanied by feelings of hopelessness and inadequacy.
• Medicine a condition of mental disturbance characterized by such feelings to a greater degree than seems warranted by the external circumstances, typically with lack of energy and difficulty in maintaining concentration or interest in life : clinical depression.
• a long and severe recession in an economy or market : the depression in the housing market.
• ( the Depression or the Great Depression) the financial and industrial slump of 1929 and subsequent years.
2 the lowering or reducing of something : the depression of prices.
• the action of pressing down on something : depression of the plunger delivers two units of insulin.
• a sunken place or hollow on a surface : the original shallow depressions were slowly converted to creeks.
• Astronomy & Geography the angular distance of an object below the horizon or a horizontal plane.
• Meteorology a region of lower atmospheric pressure, esp. a cyclonic weather system.
ORIGIN late Middle English : from Latin depressio(n-), from deprimere ‘press down’ (see depress ).