wholehearted

/ˈhōl-ˈhär-təd/

adjective

  1. completely and sincerely devoted, determined, or enthusiastic

  2. marked by complete earnest commitment : free from all reserve or hesitation

a wholehearted student of social problems

sincere wholehearted heartfelt hearty unfeigned mean genuine in feeling. sincere stresses absence of hypocrisy, feigning, or any falsifying embellishment or exaggeration. wholehearted suggests sincerity and earnest devotion without reservation or misgiving.