- in a friendly, sincere, cordial way
- with zest, enthusiasm, or vigor
- with a good appetite and in large amounts: to eat heartily
- completely; fully; very: heartily sorry
Origin of heartilyMiddle English hertili: see heart and -ly
- In a cordial manner; with warmth and sincerity: She greeted us heartily.
- Thoroughly; completely: wished heartily that they would leave.
- With zest or enthusiasm.
- With great appetite or enjoyment: eat heartily.