Related Clues:

• Unaware
• Unenlightened
• Unlearned
• In the dark
• See 34-Across
• See 31-Across
• Uninformed
• Discourteous
• Unknowing
• Lacking knowledge
• Not informed
• Out of the loop
• Completely uninformed
• "Everybody is __, only on different subjects": Will Rogers
• Out of the know