Jughead is a slang term that refers to a foolish or stupid person. Some of its antonyms include intelligent, wise, astute, clever, bright, knowledgeable, and sagacious. These words denote the opposite of foolishness and idiocy, instead reflecting a person who has sound judgment, good reasoning skills, and a broad knowledge base. Other antonyms of Jughead include perceptive, insightful, shrewd, and discerning. These words all describe someone who is capable of understanding complex situations and making smart decisions. In contrast to Jughead, these antonyms connote positive qualities that can lead to success and accomplishment in life.