heartfelt
US /ˈhɑːrt.felt/
UK /ˈhɑːrt.felt/

1.
sincero, profundo
deeply and sincerely felt or expressed
:
•
She offered her heartfelt condolences to the grieving family.
Ela ofereceu suas condolências sinceras à família enlutada.
•
His speech was a heartfelt plea for peace.
Seu discurso foi um apelo sincero pela paz.