The word "more unsupported" can be described through its antonyms, which are "supported," "backed," "bolstered," and "substantiated." These words describe the opposite of being unsupported, which means they are used to indicate proof, evidence, or validation for an argument or statement. When an idea or a claim is supported, it has a solid foundation, and its validity is established through factual evidence. On the other hand, when something is "more unsupported," it lacks credibility, and there is no proof to back it up. Therefore, the antonyms of "more unsupported" are words that are associated with facts, proof, and validation.