Definitions for "Deinstitutionalization"
(de·in·sti·tu·tion·al·i·za·tion) NOUN: The release (of a person with a psychiatric disability, for example) from an institution for placement and care in the community. Also the movement, begun in the 1960s with the public exposure of horrific conditions, to end the practice of confining people with psychiatric and cognitive disabilities in large, impersonal, and often abusive institutions.
the movement toward treating people with psychological disorders in community settings instead of mental hospitals. 543
The increasing tendency for treatment to take place in the community, perhaps on an outpatient basis, rather than having patients reside in a public institution, such as a provincial mental hospital.