The phrase "in crowd" refers to a group of people who are popular and influential within a particular social circle. Synonyms of "in crowd" include "inner circle," "elite group," "popular clique," "trendsetters," "tastemakers," "fashionable people," "cool crowd," and "select few." These words can convey a sense of exclusivity and trendiness. Being a part of the "in crowd" often involves having certain interests, behaviors or attitudes that are deemed desirable by the group. While being a part of the "in crowd" can be desirable, it's important to remember that everyone deserves respect and kindness, regardless of popularity or status.