January 20, 2025

DUI Explained: What It Means and Why It Matters

What does DUI mean? Learn the definition, legal implications, and consequences of driving under the influence to promote safety.

Frame 1077241738Clinically Reviewed by Nate Bush,LCSW

what does dui mean

Table of Contents

Table of Contents

Contributors & Editors

Dane Perikly

Director of Virtual Services & DUI Education

Updates

Last Update on January 7, 2025

Need DUI Education?
We've got you covered

Reach out today to learn about our Arizona court and MVD approved alcohol screenings and online DUI classes.

Category

Tags

Author

DIRECTOR OF VIRTUAL SERVICES

Dane is the Director of Virtual services at Cornerstone. He contributes guides on DUI education so that you can understand all there is to know about DUI charges, education, and the overall process of meeting Arizona requirements after a DUI. He cares deeply about raising awareness of the dangers of DUI and illustrating the impact on victims and on those charged.

Driving under the influence of alcohol or drugs is a serious crime that, legally and personally, can bring irreparable consequences. But what does DUI mean, really, and why is it important to understand what it involves?

Let’s explore together and find out exactly what the meaning of DUI is, the legal consequences, and how different substances can impair your driving. By better understanding DUI, you can have an advantage in making good choices and be able to caution against dangerous driving conditions.1

What Does DUI Stand For?

The meaning of DUI is when someone is driving under the influence (DUI) of alcohol or other substances. It happens when someone operates a motor vehicle while under the influence of alcohol, drugs, or any substance that impairs their capability of driving within safe boundaries. Other than alcohol, prescription drugs, over-the-counter medications, and illegal drugs can also form grounds for DUI.2

Got a DUI? Learn about our DUI screenings and classes in Arizona!

Legal Definition and Implications of DUI

So what does DUI mean when it comes to the legal aspects? Well, it’s a criminal act involving driving under the influence of something that impairs the driver’s ability to operate safely.

The specific definitions of impairment naturally vary from state to state, but one common benchmark is blood alcohol concentration. The legal limit of BAC is usually 0.08 percent but may change according to the type of driver and the state. The consequences of a DUI conviction are serious, often including fines, jail time, and license suspension, although this can also vary from state to state.3

Alcohol

Alcohol consumption impairs coordination, reaction time, and judgment, and that is precisely why most states have established 0.08% as the legal limit for blood alcohol concentration. Even small amounts can impair your driving abilities and put the safety of your and others’ lives at risk.

Prescription Drugs

Certain prescription drugs increase risks, even at recommended dosages. Painkillers, anxiolytics, and muscle relaxants are several such drugs that can land you due in court for a DUI case because these would definitely affect your driving capabilities.

Illegal Drugs

These drugs include marijuana, cocaine, and methamphetamines. All these drugs dangerously alter your driving ability. The resulting behaviors, impaired coordination, and reactions are far too dangerous when paired with driving. Using these substances while driving can result in serious consequences.

Other Substances

Over-the-counter medications can also impact your driving. For example, this could include cough syrup and allergy pills. If these drugs inhibit your coordination or mental acuteness, you could be charged with a DUI.

Quick Tip

Better To Be Safe Than Sorry

If in doubt about your impairment, do not risk it and never get behind the wheel. Instead, find a different way to get to where you need to go that doesn’t put the lives of yourself and others at risk.

The Consequences of a DUI Conviction

The consequences of a DUI conviction go beyond the power of the court. It can include fines, revocation of driver’s licenses, required attendance in alcohol or drug abuse programs, and even prison sentences.

In your personal life, it may change your relationships, job potential, or financial situation. It’s important to recognize the potential fallout, as this may encourage more responsible behavior to ward against the severe consequences of impaired driving.

DUI vs. DWI: What’s the Difference?

While they sound similar, there’s a difference between a DUI and a DWI. DUI stands for driving under the influence, while DWI stands for driving while intoxicated or driving while impaired. 

Sometimes, depending on the state, the line separating DUI from DWI may blur. In some states, a DUI refers only to alcohol-related impairment. For these states, DWI represents impairment from drugs.

In other states, the terms are synonyms and, therefore, interchangeable. It’s important to familiarize yourself with local laws, regardless of whether you’re visiting or living there permanently.

Arrested for DUI in Arizona?

Cornerstone offers a lifeline with certified DUI classes and screenings—take the first step towards putting this behind you.

The Process of a DUI Arrest and Conviction

The process of a DUI arrest and conviction varies slightly from one situation to the next, but the core phases remain the same.

If you find yourself suspected of driving under the influence, here’s what to expect:

  • The police would stop you on suspicion of intoxication and conduct the necessary tests to see if you are coordinated and sober enough.
  • Failure in these field sobriety tests generally leads to a breathalyzer test, or less frequently a blood test, to determine your alcohol and/or narcotics levels.
  • If tests show impairment, you will be arrested and booked.
  • In the later phases, you’ll attend court, where a judge will hear both sides regarding the case filed against you. These might lead to a trial if your plea of not guilty is rejected.
  • The judge will determine sentences and penalties if you’re convicted, which can include fines, imprisonment, and probation. 

Frequently Asked Questions

Alcohol, prescription drugs, illegal drugs, and many other substances that can cause impairment that can lead to you getting a DUI charge, especially if they significantly impair your ability to drive safely and responsibly.

The legal BAC limit is typically 0.08%, but for commercial drivers and also for those under the legal drinking age, it can be set lower. Some states have zero-tolerance laws for particular drivers.

One of the best ways to avoid getting a DUI if you plan to drink or use impairing substances is to plan ahead. Plan to book a rideshare to get home, or designate a sober driver to take you home.

Vector note,

Key Takeaways

Why Understanding DUI Matters

Understanding DUIs and what they entail, both legally and personally, is very important in making good choices. A DUI conviction entails much wider ramifications other than mere fines and their legal consequences, but strong impacts on both your personal and professional life. Be informed, take all preventive measures to avoid driving under the influence, and place your safety always in the foreground.

If you or someone you know is dealing with DUI charges, or if you are merely interested in learning more about DUI programs, contact us at Cornerstone DUI. We offer everything from legal resources to counseling and education. We are here to help you navigate this challenging time and work toward a safer future.

Share this Article

More From Our Resources

Mental Health

5 Important Tips for Finding a Great Behavioral Health Provider

Addiction

Can You Die From Withdrawals? A Look Into The Detox Process

Mental Health

Signs of Repressed Childhood Trauma In Adults & How To Heal