outpatient /ˈaʊtˌpeɪʃ(ə)nt/adjective 1noun 1forms 1 adjective1 •Provided without requiring an overnight stay by the patient.MR. MILLER: It is more outpatient than it is inpatient. — 1991 noun1 •A patient who receives treatment at a hospital or clinic but is not admitted overnight; a receiver of ambulatory care.An empty shop at Birmingham New Street station has been converted into an NHS outpatient clinic, to enable patients to have routine blood tests away from hospital. — 2020 formsoutpatients