1 unhappiness/mental illness
ADJ. black, deep, serious, severe | acute, chronic | mild | clinical | manic | post-natal
QUANT. bout, fit, period The actor says he suffers frequent bouts of depression. In a fit of depression, she threw away all her favourite books. A period of acute depression can sometimes follow childbirth.
VERB + DEPRESSION develop, fall into, go into, succumb to She fell into a black depression and refused to leave her room. | experience, have, suffer (from) She was diagnosed as having clinical depression. | be treated for His wife had left him and he was being treated for depression. | come out of, get over She was gradually coming out of her depression. | cause, lead to Bereavement can often lead to depression. | relieve, treat a new drug used to treat depression
DEPRESSION + VERB deepen | lift Her depression has lifted now.
PREP. in ~ He may have killed himself in depression. | with ~ He's been off work for months with depression.
PHRASES (a) cause for depression These results should not be a cause for depression. | the depths of depression I was in the depths of depression after receiving my exam results. | feelings of depression, the onset of depression The onset of depression often follows a traumatic event. | a state of depression He was in a state of acute depression. | symptoms of depression, treatment for depression She had been receiving medical treatment for depression. > Special page at ILLNESS
2 period of reduced economic activity
ADJ. great, major, serious, severe | economic The country is experiencing a severe economic depression.
VERB + DEPRESSION be in the grip of, experience | go into The housing market has gone into depression. | face
DEPRESSION + VERB deepen The depression seems to be deepening. | end
PREP. during/in a/the ~ Many people lost their jobs in the great depression of the 1930s.
PHRASES the depths of a depression, a period of depression periods of severe economic depression
3 hollow part in the surface of sth
ADJ. shallow, slight | deep
PREP. ~ in, ~ on From the air, the photos show a shallow depression on the planet's surface.