depression Definition in the Cambridge English Dictionary
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Definition of “depression” - English Dictionary

Definition of "depression" - American English Dictionary

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depressionnoun

 us   /dɪˈpreʃ·ən/

depression noun (CAUSE UNHAPPINESS)

[U] a ​feeling of ​sadness, or medical a ​type of ​mentalillness that ​causeslongperiods of ​unhappiness: I’m just ​beginning to get over the depression from ​losing my ​job. medical Tiredness, ​loss of ​appetite, and ​sleepingproblems are ​symptoms of depression.

depression noun (PRESS DOWN)

[C] a ​part in a ​surface that is ​slightlylower than the ​rest: There was a depression in the ​sand where he’d been ​lying.

depression noun (REDUCE)

world history [C] a ​period in which there is very little ​businessactivity and little ​employment: My ​parentslived through the ​Great Depression of the 1930s.
(Definition of depression from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "depression" - British English Dictionary

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depressionnoun

uk   us   /dɪˈpreʃ.ən/

depression noun (UNHAPPINESS)

B2 [U] the ​state of ​feeling very ​unhappy and without ​hope for the ​future: I was ​overwhelmed by ​feelings of depression.B2 [C or U] a ​mentalillness in which a ​person is very ​unhappy and anxious (= ​worried and ​nervous) for ​longperiods and cannot have a ​normallife during these ​periods: Tiredness, ​loss of ​appetite, and ​sleepingproblems are all ​classicsymptoms of depression. If you suffer from depression, it's ​best to get ​professionalhelp.
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depression noun (NO ACTIVITY)

C2 [C] a ​period in which there is very little ​businessactivity and not many ​jobs: The ​stockmarketcrashmarked the ​start of a ​severe depression.

depression noun (WEATHER)

[C] specialized environment an ​area where the ​airpressure is ​low: The ​deep depression over the mid-Atlantic will ​graduallymoveeastwards during the ​day.

depression noun (HOLE)

[C] part of a ​surface that is ​slightlylower than the ​rest: There was a depression in the ​sand where he'd been ​lying.
(Definition of depression from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "depression" - Business English Dictionary

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depressionnoun [C or U]

uk   us   /dɪˈpreʃən/ ECONOMICS
a recession (= ​time of ​loweconomicactivity, when ​investmentslosevalue, ​businessesfail and ​peoplelose their ​jobs) that lasts for a ​longperiod of ​time, usually several ​years: plunge/slide into depression The Thirties saw the ​worldplunge into depression. The Wall Street Crash of 1929 ​brought severe economic depression and ​hardship to Canada. This was a ​period of deep depression. For most of the 20th century, ​economistsfocused on ​understanding and ​controllinginflation and depressions. New ​mines are being ​developed and old ​minesreopened, ​liftingcommunities across Northern Nevada out of the depression ​left by the industry's last ​crash.
the Depression (also the Great Depression) the ​period in the ​years after 1929 until the middle of the 1930s, or, in some ​cases, the 1940s, when there was a very ​lowlevel of ​economicactivity in the US, ​Europe, and many other countries. Many ​peoplelost their ​jobs and were very ​poor: The Federal Home Loan Bank ​system was ​created in the 1930s by the ​federalgovernment to ​stimulatelending during the Depression.
(Definition of depression from the Cambridge Business English Dictionary © Cambridge University Press)
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