Hawaiian shirts are a type of colorful, loose-fitting shirt that originated in Hawaii. These shirts often feature bold floral and tropical designs, making them popular choices for casual summer wear. While the term "Hawaiian shirt" is the most commonly used, there are several other synonyms that can refer to this style of shirt. Some of the most common include Aloha shirt, tropical shirt, floral shirt, beach shirt, island shirt, and luau shirt. Whether you're looking for a relaxed vacation vibe or just want to add a touch of tropical flair to your wardrobe, a Hawaiian shirt is a great choice!