The word "more unsealed" implies that something was previously sealed and has been further released or opened up. The antonyms for this word would be "sealed" or "closed." If something is sealed or closed, it means that it has not been opened or accessed, and is therefore inaccessible or restricted. The opposite of "more unsealed" can also be expressed as "less unsealed," signifying that something has been partially released, but not entirely. In summary, the antonyms for the word "more unsealed" are "sealed," "closed," and "less unsealed.