1. With resolute determination
   "we firmly believed it"
   - firm, steadfastly, unwaveringly 
2. In a secure manner; in a manner free from danger
   - securely 
3. With firmness
   - hard

See also: firm

• muffled
• muffler
• mufti
• mug
• mug book
• mug file
• mug up
• mug's game
• mugful
• muggee
• mugger
• mugginess
• mugging
• muggins
• muggle
• muggy
• mugho pine
• Mugil
• Mugil cephalus
• Mugil curema
• Mugil liza
• Mugilidae
• Mugiloidea
• mugo pine
• mugshot