Rosa Ponselle was a legendary American soprano opera singer, known for her incredible vocal range and powerful performances. Some synonyms for Rosa Ponselle could include diva, songstress, vocalist, prima donna, and soprano extraordinaire. She was considered one of the greatest singers of the 20th century and her talent and impact on the opera world are still felt today. Other words that could be associated with Rosa Ponselle include elegant, passionate, dramatic, enchanting, and unforgettable. Her legacy continues to inspire aspiring singers and music lovers around the world, and her name is synonymous with greatness in the opera world.