Enlightened means having knowledge, understanding, and awareness of the world around us. Therefore, the antonyms of unenlightened would be words that describe someone who is lacking knowledge, understanding, and awareness. These antonyms include ignorant, uneducated, uninformed, naive, unaware, inexperienced, unintelligent, uncultured, clueless, and dim-witted. These words describe someone who is not knowledgeable about the topics they discuss, unaware of the consequences of their actions, and lacking in critical thinking skills. Being unenlightened can cause people to make bad decisions, harm others, and perpetuate negative stereotypes. Therefore, it is important to be enlightened, open-minded, and willing to learn in all aspects of life.