Related Clues:

• Full price payer
• Chaperone, usually
• Film category
• Unseen character in 'Peanuts,' generally
• Like some diapers
• What "X" may mean
• Like 58-Across
• Fully grown
• More costly
• Of age
• One never seen in ''Peanuts''
• Ticket category
• Fully-developed
• Pornographic, euphemistically
• Like some movies or diapers