Feeling lightheaded is a common symptom of many medical conditions, and can be caused by a variety of factors. The term 'aswoon' is a six-letter word used to describe this feeling, which is characterized by dizziness, faintness, or a feeling of being unsteady. It can be caused by dehydration, low blood sugar, or even a sudden drop in blood pressure. In some cases, it can also be a sign of a more serious medical condition, such as anemia or heart disease.