Ariose is an adjective that describes something as having a melodious or pleasing sound. Antonyms for ariose can include words like discordant, cacophonous, grating, harsh, or unpleasant. These words all describe sounds that are harsh or irritating to the ear, the opposite of ariose. Another antonym for ariose could be monotonous, meaning that the sound lacks variation or intonation, making it dull or boring to listen to. Altogether, these antonyms remind us of the power of sound and how it can evoke different emotions and reactions in us depending on its qualities.