The antonyms for the word "more unrenowned" are numerous. Some of the popular antonyms that can be used are famous, renowned, celebrated, popular, recognized, acclaimed, distinguished, and notable. All these words are opposite to unrenowned, which means that they relate to someone or something that is well-known and famous. Using antonyms in writing or conversation helps to convey the opposite of what we wish to say. In this case, when discussing something "more unrenowned," using the suggested antonyms is a great way to lend meaning and depth to the conversation that otherwise might lack the power to convey what's intended.