Becoming versed in a certain field or subject matter means developing knowledge, experience, and skills. Therefore, the antonyms for becoming versed would be neglecting, ignoring, and remaining inexperienced. Not prioritizing learning and skill-building will lead to stagnation and a lack of progress. Additionally, someone who is not versed in a particular subject may be described as ignorant, uninformed, or inexperienced. Lack of experience or expertise can hinder one's ability to succeed in a particular field, making it crucial to continue to learn and grow to stay relevant and skilled.