Related Clues:

• Little-known scientist looking into our energy
• Uncertain; indistinct
• Cloud over. Rubbish! That's smoke
• Secret about to be concealed by composer
• Mysterious Gabriel mostly being heard?
• Mysterious, secret or obscure
• The secret of sugar cane extraction
• Mysterious articles surrounding Catholic point
• Recherché word for 'fog'
• Hard to see the ring the scientist dropped over the river
• Old graduate banker hard to understand
• Obsolete therapy mask
• A monarch may meet oriental in secret
• Vague old boy's treat
• Little-known people who left school with remedy