1. Not solved
   "many crimes remain unsolved"
   - unresolved

Antonym: solved

Encyclopedia: Unsolved

• pep rally
• pep talk
• pep up
• Pepcid
• peperomia
• Peperomia argyreia
• Peperomia sandersii
• Pepin
• Pepin III
• Pepin the Short
• peplos
• peplum
• peplus
• pepo
• pepper
• pepper box
• pepper bush
• pepper family
• pepper grass
• pepper grinder
• pepper mill
• pepper pot
• pepper root
• pepper sauce
• pepper shaker