1. the time by which something must be finished, submitted, etc. 2. (formerly) a boundary around a military prison beyond which a prisoner could not venture without risk of being shot by the guards.
While it's important to talk with your doctor about the cause of your slurred speech, slurred speech caused by anxiety is not dangerous. It's not a sign that you have something else coming, or that your brain will somehow be inefficient for handling life tasks in the future.
Slurred Speech From Anxiety: Causes and Treatments Many of the worst anxiety symptoms can make you feel like there is something wrong with your brain. Our brains are arguably the most important part of our bodies, and deep down many people with anxiety have a fear that their brain may fail them.