1. Denoting a film given an X classification 
2. Pornographic or indecent

Encyclopedia: X-rated

• lower limit
• lower mantle
• lower oneself
• Lower Paleolithic
• Lower Peninsula
• lower rank
• lower respiratory infection
• lower respiratory tract
• lower respiratory tract smear
• Lower Saxony
• lower status
• Lower Tunguska
• lower-case letter
• lower-middle-class
• Lower-Normandy
• lower-ranking
• lowercase
• lowerclassman
• lowered
• lowering
• loweringly
• lowermost
• lowery
• lowest
• lowest common denominator