The word "decreed" refers to an authoritative command or decision. Its antonyms are words that convey the opposite meaning. These antonyms include revoke, cancel, nullify, repeal, abolish, invalidate, rescind, and annul. Each of these words refers to the act of undoing or reversing a previous decision or command. For example, to revoke a decree means to officially cancel or withdraw it, while to invalidate a decree means to render it null and void. These antonyms are useful when expressing disagreement or disapproval of a decree, or when suggesting alternative courses of action.