Definition: (1) showing devoted commitment, earnest enthusiasm, directed determination, or sincere and energetic focus; (2) dedicated to an ideal over a long time; loyal; whole-souled

• A man who always speaks the truth wholeheartedly is greater than those who do penance and deeds of charity. — Thiruvalluvar [aka: Valluvar] (31 BC) Indian poet & philosopher
• Moral acts are those human performances which are characterized by the highest intelligence, directed by selective discrimination in the choice of superior ends as well as in the selection of moral means to attain these ends. Such conduct is virtuous. Supreme virtue, then, is wholeheartedly to choose to do the will of the Father in heaven. (16:7.10) — The Urantia Book {1955}