Tastefulness is defined as having good taste, style or manners. Therefore, dis-tastefulness is the opposite, meaning something is lacking in good taste, style, or manners. If we were to use antonyms to the word dis-tastefulness, we could describe things as classy, refined, sophisticated, elegant, or cultured instead. These words indicate a sense of refinement, good taste, and elegance. Furthermore, words such as appealing, tempting, delightful, and savory could also be used as antonyms. These words suggest that something is pleasing to the senses, enjoyable, and satisfying, which is the opposite of distastefulness.