The antonyms for "more all-knowing" can include "ignorant", "naive", "unaware", "incompetent", and "clueless". These words signify the opposite of having extensive knowledge, wisdom, and intelligence about a particular subject or domain. Being ignorant means lacking knowledge, while being naive suggests a lack of experience and sensitivity towards the subtleties of the world. Similarly, if someone is unaware, they lack knowledge or understanding, making them incompetent or clueless in some cases. Thus, the antonyms of "more all-knowing" highlight the deficiency and inadequacy of not having the right amount of knowledge, expertise, and wisdom.