The opposite of "more out of date" is a refreshed, updated or current item or idea. Something that is up-to-date or modern could be described as the antonym for "more out of date." Additionally, contemporary, present-day or modern-day are all suitable antonyms for the phrase. These antonyms suggest that the item or idea being discussed is timely and relevant, rather than old or outdated. As society and technology continue to evolve, it is important to embrace what is new and stay current with changing times. Using antonyms such as these can help in accurately describing things in a way that reflects the latest trends of the world today.