The antonyms for the word "more toneless" can be described as having an abundance of musicality or sound. Instead of toneless, one could use the words melodic, harmonious, rhythmic, or tuneful. These words suggest a pleasant and enjoyable listening experience. Alternatively, one could use the word vibrant to describe a sound that is full of life and energy. Other antonyms for "more toneless" include resonant, sonorous, and musical, which can all be used to describe sounds that have a fullness and depth to them. These words help to convey a sense of emotional depth and complexity to the listener.