Dissonant is a musical term used to describe sounds that clash or create an unpleasant noise. The opposite of dissonant is consonant, which describes sounds that harmonize and create a pleasing effect. Other antonyms for dissonant include harmonious, melodious, and musical. These words describe sounds that are pleasant to the ear and create a sense of harmony or balance. While dissonant sounds may be jarring or unsettling, consonant sounds are often used in music and other forms of art to create a soothing or uplifting effect. The use of consonant sounds can also evoke feelings of tranquility, joy, and relaxation.