Unrenowned, meaning not famous or not well-known, has several antonyms. Suppose you want to express the opposite of it, there are some words you can use. For example, "renowned" is the most common antonym of unrenowned. Renowned means famous or well-known, and it's frequently used to describe people, places, and things. Another antonym of unrenowned is "celebrated," which also means famous or well-known. "Prestigious" is another antonym of unrenowned, meaning having high status and respected widely. Finally, "glamorous" can also be used as an antonym of unrenowned, conveying ideas of wealth and fame. These antonyms can be used correspondingly to mean the opposite of unrenowned.