Depression

Depression or depress(ed) may refer to:

Medicine

• Depression (mood), a state of low mood and aversion to activity
  • Mood disorder, a class of mental illnesses featuring depressed mood
  • Major depressive disorder, one of the mood disorders, commonly referred to as simply depression
  • Depression (differential diagnoses), illnesses, other than mental illnesses, featuring depressed mood
• Depression (physiology), a reduction in a biological variable or the function of an organ
• Depression (kinesiology), an anatomical term of motion

Other

• Depression (geology), a landform sunken or depressed below the surrounding area.
• Depression (economics), 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 that time as the Great Depression
• Depression (weather), an area of low atmospheric pressure characterised by rain and unstable weather