The antonyms for the word "ill sounding" are many and varied, encompassing a range of positive and neutral descriptors. Some examples of antonyms that are commonly used to describe sounds include pleasant, melodious, beautiful, harmonious, euphonious, soothing, dulcet, sweet, lovely, and musical. These words all suggest a pleasing or enjoyable quality, and can be used to describe various types of sounds, from music to nature to human speech. Other antonyms for "ill sounding" might include terms like clear, distinct, articulate, well-enunciated, or intelligible, which suggest a quality of clarity or precision in sound. Overall, there are many different antonyms that can be used to counterbalance the negative connotations of "ill sounding," depending on the context and particular meaning being conveyed.