The term "most newfashioned" is commonly used to describe something that is trendy or contemporary. However, the opposite of this phrase would be words that indicate something that is outdated or old-fashioned. These antonyms include words such as traditional, classic, vintage, ancient or obsolete. An item that is classic may not be in fashion at the moment, but it carries a timeless elegance that never goes out of style. Similarly, a traditional approach to something may be seen as too old-school for younger people who favor new ideas and trends. In summary, while "most newfashioned" denotes modernity, its antonyms represent classicism, history and the past.