The antonyms for the term "more old-line" are words that express a sense of modernity, innovation, and progress. Some of the words that could be used as antonyms for "more old-line" include contemporary, innovative, forward-thinking, progressive, modern, updated, cutting-edge, and futuristic. These words suggest the opposite of the traditional, conservative, and established practices that the term "more old-line" conveys. It is important to note that these antonyms are not necessarily negative, nor do they undermine the value of the old-line practices. The antonyms for "more old-line" exist to highlight the contrast between traditional and modern approaches to problem-solving, decision-making, and progress.