Blowup mattresses are a great alternative to traditional beds when you need an extra sleeping space for your guests. They are comfortable, easy to store and can be inflated within minutes. However, there are various synonyms for the word "blowup mattresses" that you might want to consider when looking for this type of bedding. Some common alternatives include air beds, inflatable beds, air mattresses, and portable beds. These terms are used interchangeably and can be found with different brands and styles. So whether you're going camping, hosting guests, or need a quick fix for your sleeping arrangements, these synonyms for blowup mattresses are worth exploring.