The term "more high-bred" refers to something that is refined, sophisticated, or aristocratic in nature. Its antonyms are words that describe the opposite, specifically, things that are unrefined, unsophisticated, or uncultivated. Some examples of antonyms for "more high-bred" include words like coarseness, crudeness, rusticity, and primitiveness. Other antonyms might include terms like boorishness, goofiness, unsophistication, or rawness. Regardless of the specific word chosen, each antonym of "more high-bred" is designed to convey the idea of something that lacks refinement or is otherwise primitive in nature.