sobriety test
A method of determining whether a person is intoxicated. • Among the common sobriety tests are coordination tests and the use of mechanical devices to measure the blood alcohol content of a person’s breath sample. See BREATHALYZER; HORIZONTAL-GAZE NYSTAGMUS TEST. [Cases: Automobiles 411; Criminal Law 388.2. C.J.S. Motor Vehicles §§ 1397–1411.]