The antonyms for "most secreted" could include "least secreted," "openly shared," "publicly disclosed," or "widely known." These words signify the opposite of something that is kept hidden or concealed. Instead, they suggest that the information in question is readily available or accessible to anyone who seeks it. For example, instead of saying that a certain document was most secreted, one might say that it was openly shared with all parties involved. By using these antonyms, one can convey a completely different meaning and tone, emphasizing the importance of transparency and openness in communication.