"Be unconversant with" refers to someone who is unfamiliar or lacks knowledge of a particular subject. There are several synonyms for this term, including ignorant, unacquainted, inexperienced, unfamiliar, unskilled, and naive. These words can be used interchangeably to describe someone who lacks understanding or expertise in a specific area. It may be necessary to use these synonyms in different contexts, depending on the level of knowledge and expertise required. Regardless of which synonym is used, the goal is to describe someone who is lacking in knowledge or experience and needs to learn more to become competent in the subject at hand.