* A decrease of functional activity in behavior patterns
* The everyday term for a sad mood, see depression (mood)
* The medical condition clinical depression, which includes
decreased interest in pleasurable activities
* A sunken or depressed geological formation, see depression
(geology)
* An economic depression, is a more severe downturn than a
recession
* The Great Depression, a particular instance of an economic
recession
* A condition in meteorology associated with cyclones and
weather fronts
