Hyperemesis is a medical condition that is characterized by severe nausea, vomiting, and dehydration. There are several synonyms for the word hyperemesis, including excessive vomiting, uncontrollable nausea, intractable vomiting, persistent vomiting, and protracted vomiting. These terms are used to describe the severity and persistence of the symptoms associated with this condition. Other synonyms for hyperemesis include severe morning sickness, extreme nausea and vomiting, and prolonged vomiting. These words convey the severity of the condition and indicate the need for medical attention. If you or someone you know is experiencing symptoms of hyperemesis, it is important to seek medical attention immediately.