1. lacking knowledge, understanding, or awareness; ignorant
2. not having spiritual or intellectual insight; narrow-minded

Examples

• His unenlightened views on gender equality shocked his colleagues.
• The unenlightened policies of the past century caused great harm.
• She considered his attitude toward other cultures to be unenlightened.
• The documentary exposed the unenlightened practices of the industry.
• Many unenlightened people still believe in outdated stereotypes.
• The professor criticized the unenlightened approach to education.
• Their unenlightened leadership failed to address modern challenges.