The term "more vanguard" describes something that is ahead in its field, innovative, or revolutionary. Its antonyms would be words such as conventional, outdated, or old-fashioned. These words describe ideas, products or practices that are no longer considered ground-breaking or new. Other antonyms for "more vanguard" could include words like traditional, backward, or retrograde - ideas that represent older, established ways of thinking or doing things. When it comes to choosing between these opposing concepts, it is important to consider the context and purpose behind the word usage. Whether it is referring to technology, fashion, or social movements, the term "more vanguard" has important implications for progress and change in different spheres of life.