1. In a sincere and heartfelt manner
   "I would dearly love to know"
   - in a heartfelt way 
2. At a great cost
   "he paid dearly for the food"
   - dear 
3. With affection
   "she loved him dearly"
   - affectionately, dear

See also: dear

• muster up
• musth
• mustily
• mustiness
• mustn't
• musty
• mutability
• mutable
• mutableness
• mutably
• mutafacient
• mutagen
• mutagenesis
• mutagenic
• Mutamycin
• mutant
• mutant gene
• mutate
• mutation
• mutational
• mutatis mutandis
• mutative
• Mutawa
• Mutawa'een
• mutchkin