cacophonous
ca-coph-o-nous
adjective
Making a harsh, unpleasant, and discordant mixture of sounds.
"The cacophonous noise from the building site was unbearable."
Thesaurus
Synonyms: raucous, scratchy, raspy, rending, ripping, cacophonic, guttural, rasping, splitting, gruff, hoarse, husky
Antonyms: euphonious, euphonous