Unconversant implies a lack of knowledge or familiarity with a particular subject. Antonyms for this word include conversant, knowledgeable, familiar, experienced, expert, proficient, and skilled. Conversant refers to possessing knowledge or having a good understanding of a particular topic. Knowledgeable means having extensive knowledge, especially about a particular subject. Familiar implies awareness, understanding, or acquaintance with someone or something. Experienced denotes having had practical or personal acquaintance with something. Expert connotes having comprehensive knowledge and skill in a particular field. Proficient indicates possessing a high degree of competency or skill in a particular area. Skilled implies having the ability and training to do something well.