The antonyms for the word "un taught" include various terms such as educated, instructed, trained, schooled, learned, skilled, and knowledgeable. These words connote the idea of having gained knowledge, expertise, and proficiency in a particular field or subject. When we say someone is educated or trained, we usually mean that they have undergone a formal process of learning under the guidance of a teacher or mentor. Being well-educated or well-trained is often seen as a valuable asset in today's competitive job market. Thus, it becomes imperative to constantly upgrade one's education and skills to stay relevant and competitive in the ever-changing world.