Hepcat is a slang word used to describe a person who is stylish, cool and knows the latest trends. If you are tired of using the same old word "hepcat" in your sentences, then here are some synonyms you can use to convey the same meaning. Some popular synonyms of hepcat include hipster, trendy, fashionable, suave, debonair, chic, modish, and dapper. These words can spice up your vocabulary and add a touch of sophistication to your language. When choosing a synonym, make sure it matches the context and flow of your sentence to communicate your thoughts effectively.