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.
1 Anxiety Medications Slurred speech is the side effect of many different anxiety medications. Most often it's because these medications act as muscle relaxants and make it harder and harder to move the muscles in your mouth and face.  Tiredness, Caffeine, and More Several fairly normal issues can also affect speech.