high-heartedness noun2 •Courage or nobility; heroism.It was the high-heartedness of people which had won the war. It would be the high-heartedness of men and women which would bring sanity and serenity to a troubled world. — 2006 •Liveliness, passion, or vivacity.“I do not know, unless it is for your charms and high-heartedness, which draw people to you. — 2013