Low-brow is a derogatory term that has been in use for a long time to describe something that is vulgar, uncultured, and lacking sophistication. However, this term is often considered rude and offensive to some people. Therefore, we have come up with some alternative words that can be used instead of "low-brow." Some of these words include unsophisticated, crude, pedestrian, unrefined, common, and plebeian. Other possible synonyms for "low-brow" could be vulgar, mainstream, uneducated, tasteless, shallow, and superficial, among others. Instead of using "low-brow," try using one of these alternative terms to describe something that is not refined or cultured.