Confusion is a term that describes symptoms that involve disruptions in your memory, ability to think and focus, awareness and more. People often use “confusion” to describe small missteps, errors or inaccuracies.

CONFUSION definition: 1. a situation in which people do not understand what is happening, what they should do or who…. Learn more.

Mental confusion is sometimes accompanied by disordered consciousness (the loss of linear thinking) and memory loss (the inability to correctly recall previous events or learn new material).

Confusion causes changes in attention and thinking. Here, learn about the many causes, the symptoms, and when to seek emergency help.

Confusion occurs when a person has difficulty understanding a situation or has disordered or unclear thoughts. It can be accompanied by memory loss, disorientation, or the inability to think quickly. Confusion can increase slowly over time or come on abruptly, depending upon the cause.

If a loved one is suddenly acting confused, you need to get help right away. Learn what causes sudden confusion and how it’s treated.

If things are a little hazy and you're not quite sure what's going on, you're in a state of confusion. Confusion involves disorder, whether it's mixed up thoughts or plain old chaos.

Confusion is a symptom that makes you feel as if you can’t think clearly. Learn more about the possible causes and how to seek treatment.

con fu sion (kənˈfyu ʒən) n. 1. the act of confusing. 2. the state of being confused. 3. disorder; upheaval; tumult; chaos: The army retreated in confusion. 4. lack of clearness or distinctness. 5. perplexity; bewilderment. 6. embarrassment or abashment.