High-toned is an adjective that describes someone of high moral character or someone who is refined or cultured. Antonyms for this word can include lowbrow, crude, vulgar or boorish. These words describe individuals who lack sophistication, have a lack of good taste or manners, or are simply uncultivated. While someone who is high-toned might enjoy classical music, fine art, or a good book, someone who is lowbrow might prefer to watch reality TV, listen to pop music, or engage in raunchy humor. When considering the opposite of high-toned, it's clear that there are many different ways someone might be uncultured or unsophisticated.