When it comes to finding synonyms for the phrase "get hip," there are a myriad of options to choose from. Some of the most popular and commonly used synonyms for the phrase include: become trendy, get with it, catch up with the times, catch the latest wave, stay in the loop, join the bandwagon, be in the know, get up to speed, and keep up with the times. Each of these phrases conveys the same general meaning of becoming culturally and socially aware and up-to-date. When used correctly, they can help to communicate a sense of relevance and connection with current trends and popular culture.