The opposite of "more unacknowledged" can be either "completely recognized" or "fully acknowledged." If someone is completely recognized for their achievements, then they have gained the recognition they deserve, and everyone knows about their contributions. On the other hand, if someone's effort or work is fully acknowledged, then they have received the credit and appreciation they deserve for their hard work. It is essential to recognize people's achievements and contributions, as it helps to motivate them and push their limits for further excellence. Overall, the antonyms for "more unacknowledged" are "completely recognized" or "fully acknowledged.