A blowup bed is a type of portable bed which can be inflated and deflated as per the need. It is also popularly known as an air mattress. There are several synonyms for the word blowup bed such as an air bed, inflatable mattress, air mattress, camping mattress, and an air-cushion bed. These synonyms provide different options to describe the same item based on your preference. The term air bed or inflatable mattress is more formal, while air mattress and camping mattress provide a more informal feel. A blowup bed is a convenient option for guests and for outdoor camping, and having multiple synonyms to describe it provides clarity and understanding.