The antonyms to the word "be promulgated" are to be suppressed or withheld. These words indicate the opposite of making a law, decree, or statement widely known and available to the public. When something is suppressed, it is kept secret, hidden away, or prohibited from being known. Withholding something means to keep it back, restrain it, or not allow it to be publicized. It is important to note that withholding information may not necessarily be illegal, but it can be unethical, and may involve various consequences depending on the situation. Therefore, understanding the antonyms of "be promulgated" is vital in comprehending the complete concept of making something publicly known.