"Gotten with it" is not a single word, but a phrase that means to become familiar or adapted with something. Antonyms for this phrase would include words like unfamiliar, inexperienced, unaware, inept, and unskilled. These words describe a lack of knowledge or proficiency with a particular concept or skill. Another antonym for "gotten with it" could be disengaged, which means to be emotionally or mentally detached from something. In order to have an effective understanding of any topic or skill, it is essential to start with a strong foundation of knowledge and ability, and continually build upon it over time.