1. Extremely
   "infernally clever"
   - hellishly

See also: infernal

• mumbling
• mumbo jumbo
• mumification necrosis
• mummer
• mummery
• mummichog
• mummification
• mummify
• mummy
• mummy-brown
• mumps
• mumpsimus
• mumsy
• mun
• munch
• Munchausen
• Munchausen syndrome
• Munchausen's syndrome
• Munchener
• muncher
• Munchhausen
• munchies
• munchkin
• Muncie
• Munda