There are various synonyms for the term "grapefruit diet" that describe the same method of weight loss. One popular alternative is the "Hollywood diet," which involves consuming grapefruit and high-protein foods to promote quick weight loss. Other synonyms for the grapefruit diet include the "Mayo clinic diet," which incorporates grapefruit and other low-calorie foods, as well as the "citrus diet" and the "fat-burning grapefruit diet." These diets are usually short-term and involve limited calorie intake, often resulting in rapid weight loss. However, it is important to consult a healthcare professional before starting any new diet plan.