Antonyms for "more authenticated" could include "less credible," "unverified," "unauthenticated," "doubtful," "disputed," or "questionable." When something is authenticated, it has been confirmed as true or genuine, so antonyms would refer to situations where that confirmation is absent or uncertain. When dealing with important documents, valuable art pieces, or historical artifacts, it's essential to have them accurately authenticated. If they have not been authenticated, their value and significance can be called into question. It's crucial to be aware of antonyms for "more authenticated" as they help individuals to determine whether something is credible or not.