Related Clues:

• Gone (with ''up'')
• Auto designation
• Like some textbooks
• Betrayed, in a way
• Occupied, as a seat
• Didn't leave on the shelf
• Added employees
• Played for a fool
• Brought to bear
• Like locked Port-A-Potties
• Taken advantage of
• Marked down, most likely
• Stuck on
• Overly detailed
• Utilized