The antonyms for the word "more beatable" are "harder," "impossible," "unbeatable," and "unconquerable." These words denote a higher level of difficulty or a complete lack of possibility to defeat or win against something. When something is "harder," it requires more effort, skill, and perseverance to overcome. On the other hand, when something is "impossible," it is entirely out of reach or beyond the realm of possibility. If something is "unbeatable" or "unconquerable," it cannot be defeated or overcome, no matter how much effort one puts in.