The term "most brutish" refers to something that is barbaric, savage, or cruel. Antonyms for this phrase could include civilized, refined, cultured, or sophisticated. These words denote a sense of elegance, propriety, and decorum, which are the opposite of brutishness. Teachers may use antonyms to help students improve their vocabulary and word usage. Understanding antonyms can also help students to better distinguish between similar words with different meanings. Whether trying to describe a behavior, animal, or environment, using antonyms can make language more precise and nuanced.