We found one dictionary that defines the word not have the heart to do sth:

General (1 matching dictionary)

1. not have the heart to do sth: Cambridge Advanced Learner's Dictionary

▸ Words similar to not have the heart to do sth ▸ Usage examples for not have the heart to do sth ▸ Idioms related to not have the heart to do sth ▸ Wikipedia articles (New!) ▸ Words that often appear near not have the heart to do sth ▸ Rhymes of not have the heart to do sth ▸ Invented words related to not have the heart to do sth