The phrase "the vulgar" refers to individuals or things that are lacking in sophistication, manners, or good taste. Synonyms for this phrase could include "common," "uncultured," "crude," "uncivilized," or "unsophisticated." Other words that could be used to describe similar individuals or things include "boorish," "lowbrow," "tasteless," "rude," "uncouth," or "gauche." These words all convey a similar idea of a lack of refinement or culture, and can be used to describe anything from behavior to language or art. By using synonyms for "the vulgar," writers can add variation and nuance to their descriptions and create a more vivid and engaging reading experience.