Mondaine is a French adjective that means mundane or ordinary. Its antonyms describe something that is extraordinary, special, or exceptional. Some antonyms for mondaine include fabulous, unique, wonderful, fascinating, extraordinary, remarkable, and exceptional. These words are often used to describe someone or something that stands out from the crowd and has something special or unique about them. For example, a fabulous dress or a unique piece of artwork would be considered antonyms of mondaine. By using these antonyms, we can add more color and personality to our speech or writing and make our descriptions more interesting and engaging.