Driving under the influence involves operating a motor vehicle when physical or mental abilities are impaired by intoxicating substances. This covers alcohol, illegal narcotics, and prescription medications. Law enforcement uses breathalyzers, field sobriety tests, and blood draws to establish impairment levels against legal limits.
Heard on the job
His license was suspended for a year after he was caught driving under the influence.
Also heard as
- DUI
Related terms
Drunk driving
The act of operating a vehicle with a blood alcohol concentration above the legal limit.
Drugged driving
The act of operating a motor vehicle while impaired by narcotics or medications.
Impaired driving
Operating a motor vehicle while under the influence of alcohol or drugs degrades reaction times.