DUI

In one sentence

Driving under the influence of alcohol or drugs, a serious criminal offense.

Plain English

DUI stands for Driving Under the Influence and means operating a vehicle while impaired by alcohol, drugs, or both. You can be charged with DUI even if your blood alcohol level is below the legal limit if your driving is noticeably impaired. Penalties vary by jurisdiction and whether it's a first or repeat offense, but typically include fines, license suspension, jail time, and mandatory alcohol education programs. A DUI conviction has lasting effects on insurance rates, employment, and your driving record.

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Example

After leaving a party, David was pulled over for swerving between lanes. The officer administered a breathalyzer test, which showed his blood alcohol level was 0.09%, above the legal limit of 0.08%. He was arrested and charged with DUI.

Used in a sentence

“Her DUI conviction resulted in a one-year license suspension and mandatory attendance at a substance abuse program.”

Related terms

Sentencing

The judge's decision on punishment after a defendant is found guilty.

habitual offender

A person with multiple prior criminal convictions who faces enhanced penalties for new crimes under habitual offender laws.

criminal intent

The mental state or purpose required to commit a crime.

Misdemeanor

A less serious crime punishable by up to one year in jail and/or fines.

Felony

A serious crime punishable by more than one year in prison or death.

challenge for cause

A request to remove a juror based on bias or inability to be impartial.

Stand Your Ground

A law allowing a person to use force, including deadly force, to defend themselves without a duty to retreat.

Castle Doctrine

A law stating that a person's home is their castle and they can use force to defend it without duty to retreat.

This page is a plain-English reference and is not legal advice. Laws vary by jurisdiction and change over time. For specific situations consult a licensed attorney.