Definitions:

1. at a great cost adverb
   • We paid dearly for the food.
2. in a sincere and heartfelt manner adverb
   • I would dearly love to know
3. with affection adverb
   • I loved them dearly.

Synonyms:

• affectionately
• dear
• in a heartfelt way

NearBy Words:

• dearly-won