The antonyms for the word "more well-versed" are "ignorant," "unacquainted," "inexperienced," "unfamiliar," and "unskilled." These terms describe a lack of knowledge, understanding or skill in a particular area. Someone who is ignorant is unaware of important information or lacks basic knowledge. Unacquainted refers to someone who has not been exposed to a particular subject or topic. Inexperienced suggests a lack of practical experience or skills. Unfamiliar describes something that is not known or recognizable. And unskilled indicates a lack of proficiency or mastery in a particular field. It is important to note that these terms aren't always derogatory but simply describe a level of expertise or knowledge in a given area.