Related Clues

• Like junk mail, usually
• Like much bulk mail
• Still on the shelf, maybe
• Gathering dust in the library
• Like some highlighted e-mail
• Like suspicious e-mail, usually
• Like many assembly instructions on Christmas morning
• Like a brand-new book
• Ignored, as a letter
• Like much junk mail
• Illiterate
• Lacking in knowledge
• Still in a sealed envelope, say
• Like fliers on the windshield, usually
• Lacking knowledge
• Like many classics
• Like much spam
• Like letters marked "Return to sender"
• Like much small print
• Like unopened email