We found 7 dictionaries that define the word do a power of good:

General (3 matching dictionaries)

1. do (someone) a power of good, do a power of good: Merriam-Webster
2. do a power of good: TheFreeDictionary.com
3. do a power of good: Wiktionary

Business (1 matching dictionary)

4. do a power of good: Legal dictionary

Computing (1 matching dictionary)

5. do a power of good: Encyclopedia

Medicine (1 matching dictionary)

6. do a power of good: Medical dictionary

Miscellaneous (1 matching dictionary)

7. do a power of good: Idioms

Definitions from Wiktionary (do a power of good) ▸ verb:  (UK, transitive, intransitive) To be highly beneficial (to someone). ▸ Words similar to do a power of good ▸ Usage examples for do a power of good ▸ Idioms related to do a power of good ▸ Wikipedia articles (New!) ▸ Words that often appear near do a power of good ▸ Rhymes of do a power of good ▸ Invented words related to do a power of good