The word "illsounding" refers to a negative tone or a harsh sound. Some antonyms for "illsounding" are pleasant, harmonious, agreeable, melodious, and euphonic. These words are used to describe sounds that are soothing, calming, and pleasant to the ear. A melodious voice, for example, is one that is rich, smooth and pleasing to the senses. Similarly, a harmonious melody is one that is well-balanced and pleasing to the ear. In contrast to "illsounding," these words convey a positive tone that is uplifting, joyful, and pleasing to the listener. By using these antonyms, we can create a more positive and upbeat atmosphere in our communication.