Queasiness is a feeling of unease or discomfort in the stomach, often accompanied by NAUSEA, dizziness, and other physical symptoms. It can be caused by a variety of factors, including anxiety, motion sickness, and certain medical conditions. NAUSEA (6 letters) is a common symptom of queasiness, which is an intense feeling of sickness that can lead to vomiting. SEASICKNESS (11 letters) is a form of motion sickness that is caused by the rocking motion of a boat or other vehicle on water. WORRY (5 letters) is an emotion characterized by feelings of apprehension, uncertainty, and fear, which can also contribute to queasiness.