from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Deeply or sincerely felt; earnest.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Felt or believed deeply and sincerely.
from the GNU version of the Collaborative International Dictionary of English
- adj. Hearty; sincere.
from The Century Dictionary and Cyclopedia
- Felt in or prompted by the heart; profoundly felt; deeply sincere: as, heartfelt joy or grief; heartfelt congratulations or cheers.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. earnest
From heart + felt (Wiktionary)