Unprestigious is a word that describes something that lacks status, honor, or respect. Antonyms for unprestigious would be words that denote the opposite. For example, prestigious is a word that describes something that is held in high regard or esteem. Other antonyms for unprestigious could be words like esteemed, reputable, renowned, celebrated, distinguished, esteemed, and lauded. These words imply that something or someone is highly respected or recognized for their accomplishments or contributions. Other antonyms for unprestigious could be words like noble, honorable, and admirable, which indicate a high level of moral or ethical character. Overall, there are many words that can be used as antonyms for unprestigious, and all of them imply a high level of value or importance.