From Longman Dictionary of Contemporary Englishwhole-heartedwhole-heart‧ed /ˌhəʊl ˈhɑːtɪd◂ $ ˌhoʊlˈhɑːr-/ adjective [usually before noun] COMPLETELYinvolving all your feelings, interest etcwhole-hearted support/acceptance/cooperation etc Montgomery’s new style of leadership met with Leslie’s whole-hearted approval. —whole-heartedly adverb I agree whole-heartedly with the mayor on this issue.
Examples from the Corpus
whole-hearted• This makes difficult to offer less then whole-hearted and enthusiastic endorsement of the final product.• Although, the idea doesn't get whole-hearted backing from Grendon's Governor.• She was also impatient with a number of departments for displaying less than whole-hearted devotion to her policies.• It is not simply a matter of a verbal profession but of whole-hearted, life-yielding response.• Cliff was always a whole-hearted player and, with his carefully cultivated sideburns, was held in high regard by Palace fans.• Though I wouldn't bet on women's whole-hearted support for their pathetic sister.• Harry's appreciation is even more whole-hearted than he expects.• Melanie felt a lump in her throat; it was a touching and whole-hearted welcome. 