(psychology, usually uncountable) A state of mind producing serious, long-term lowering of enjoyment of life or inability to visualize a happy future.

simple past tense and past participle of depress

Unhappy; despondent. / Suffering from clinical depression. / Suffering damaging effects of economic recession. / (mathematics) Reduced to a lower degree or form.

Synonym of Great Depression.

(pharmacology) A pharmacological substance which decreases neuronal or physiological activity. / (mining) An agent that inhibits the flotation of a mineral or minerals.

(pharmacology) reducing functional or nervous activity.

In a depressive manner.

The state of being depressive.

Causing depression; dispiriting. / Affected by depression, depressed; dispirited; melancholic. / Relating to or characteristic of depression.

A person suffering from depression.