Look up depression in Wiktionary, the free dictionary. Depression may refer to: Clinical depression, a medical condition identified by clusters of symptoms such as markedly-decreased mood, motivation, interest, energy levels, etc. Depression (mood), an everyday term for a sad or low mood or the loss of pleasure. Depression (geology), a sunken geological formation. Depression (economics), a longer-lasting and more severe economic downturn than a recession. The Great Depression, a sever ...
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