1. Cacophonous: 1 adj having an unpleasant sound “"as Cacophonous as a henyard"- John McCarten” Synonyms: cacophonic cackly , squawky like the cackles or squawks a hen makes especially after laying an egg croaky , guttural like the sounds of frogs and crows grating , gravelly , rasping , raspy , rough , scratchy unpleasantly harsh or grating in