The term "high-season" is commonly used in the travel industry to refer to periods when there is a surge in demand for travel and tourism services. However, there are several other synonyms that can be used to describe this phenomenon. These include peak season, busy season, holiday season, tourist season, and prime time. Each of these alternative terms conveys the same idea of a time when there is an increased demand for travel services and related products, with more people traveling and taking vacations. Using these synonyms can help to add variety to writing and avoid repetition.