The word "inharmonic" is often used to describe something that is not in harmony or discordant. Some synonyms for this word include dissonant, jarring, grating, clashing, and cacophonous. Dissonant refers to sounds that are harsh and unpleasant to the ear. Jarring describes sounds that are loud and sudden, causing a sense of shock or discomfort. Grating refers to sounds that are rough or irritating, while clashing indicates sounds that clash or clash with each other. Finally, cacophonous refers to sounds that are extremely loud and unpleasant, causing confusion and discomfort. All of these synonyms can be used to describe sounds that are not pleasing to the ear or that do not fit together harmoniously.