A harsh mix refers to a combination or blend that is unpleasant, rough, or discordant in some way. Some synonyms for the term "harsh mix" include cacophony, dissonance, jarring, clashing, discord, and disharmony. These words describe a mixture that lacks harmony or coherence, producing an uncomfortable or disturbing effect. Other words that could be used to describe a harsh mix include a mishmash, conglomeration, or a hodgepodge. A harsh mix can be used to describe a variety of situations, from the combination of sounds in a piece of music to an arrangement of colors or patterns in a piece of artwork.