The opposite of "more rearward" can be described in various ways, depending on the context. In terms of location or direction, the antonyms of "more rearward" can be "more forward," "more frontward," "more advanced," "more ahead," or simply "front." In terms of quantity or degree, the antonyms of "more rearward" can be "less rearward," "less backward," "more prominent," "more advanced," "more progressive," or "better." Additionally, the antonyms of "more rearward" can be subjective, depending on the perspective or goal of the speaker. For example, if the speaker intends to focus on the past, the antonym of "more rearward" can be "more forward-looking.