Enlightenment is a state of awareness and understanding, but its opposite is unenlightened, which means an absence of such awareness. Therefore, antonyms for unenlightened are terms related to education, maturity, and wisdom - wisdom is the concept of being knowledgeable while maturity refers to being grown-up or experienced. Educated, cultured, savvy, sophisticated, and wise are some of the antonyms for unenlightened. Someone who is educated, for example, has received instruction, while cultured individuals possess knowledge of the arts and sciences. When someone is savvy, it denotes shrewdness, and sophistication demonstrates refinement or class. Finally, to be wise means to be knowledgeable or sagacious, which is the antithesis of being unenlightened.