Depression may refer to:
Mental health Depression (mood), a state of low mood and aversion to activity Mood disorders characterized by depression are commonly referred to as simply depression, including: Major depressive disorder, also known as clinical depression Bipolar disorder, also known as manic depression Dysthymia, also known as persistent depressive disorder Psychotic depression, depressive episode that is accompanied by psychotic symptoms Seasonal affective disorder, also known as seasonal depression Atypical depression, characterized by improved mood in response to positive events Long-term depression, reduction of neuronal synapse efficacy
Economics Economic depression, a sustained, long-term downturn in economic activity in one or more economies Great Depression, a severe economic depression during the 1930s, commonly referred to as simply the Depression Long Depression, an economic depression during 1873–96, known at the time as the Great Depression
Biology Depression (kinesiology), an anatomical term of motion, refers to downward movement, the opposite of elevation Depression (physiology), a reduction in a biological variable or the function of an organ Central nervous system depression, physiological depression of the central nervous system that can result in loss of consciousness
Earth science Depression (geology), a landform sunken or depressed below the surrounding area Depression (weather), an area of low atmospheric pressure characterized by rain and unstable weather
Art "Depressed" (song), by English singer-songwriter Anne-Marie, 2025