The antonyms for the word "knownothing" are numerous and encompass a wide range of descriptors. Synonyms for "knownothing" include knowledgeable, expert, expert in the field, educated, skilled, and experienced. Other antonyms for the term may include words like intellectual, erudite, wise, sagacious, astute, learned, or insightful. These words reflect the opposite of the term "knownothing" and refer to individuals who possess extensive knowledge and skills in a particular field of study or expertise. By understanding these antonyms, one gains a better understanding of the potential breadth of knowledge and expertise that exists in the world today.