There are several antonyms for the word "incultest," which means the most uncultivated or uncivilized. They include words such as cultured, refined, polished, sophisticated, educated, and civilized. These antonyms reflect the opposite of incultest and imply that someone or something is cultured, refined, and civilized. For example, a cultured person has knowledge of art, literature, and other intellectual pursuits, whereas an incultest person lacks such knowledge. Similarly, a polished and sophisticated individual is well-mannered and urbane, while an uncivilized person is rude and uncouth. Therefore, using antonyms for incultest can help us describe someone or something in a positive light.