Wiktionary
a. (alternative spelling of heartfelt English)
Usage examples of "heart-felt".
Misfortune--A Propitious Storm On my reappearance, Madame Orio told me, with many heart-felt thanks, that I must for the future consider myself as a privileged and welcome friend, and the evening passed off very pleasantly.
CHAPTER V An Unlucky Night I Fall in Love with the Two Sisters, and Forget Angela--A Ball at My House--Juliette's Humiliation--My Return to Pasian--Lucie's Misfortune--A Propitious Storm On my reappearance, Madame Orio told me, with many heart-felt thanks, that I must for the future consider myself as a privileged and welcome friend, and the evening passed off very pleasantly.
The President had shown by way of graphs, multi-media displays and heart-felt explanation that the situation was dire.