Know-nothingism refers to a lack of knowledge or ignorance. Antonyms for this term include knowledge, education, intelligence, understanding, and expertise. The opposite of know-nothingism is being well-informed, knowledgeable, and enlightened. Being knowledgeable about a certain subject shows expertise in that field, while understanding is about grasping the meaning of something. Education and learning are the keys to eliminating know-nothingism. Having an open mind and seeking out new information helps broaden one's knowledge and understanding. To avoid being a know-nothing, we must commit to learning and staying informed, which allows us to make informed decisions and improves our lives.