We found 6 dictionaries that define the word wouldn't harm a fly:

General (2 matching dictionaries)

1. wouldn't harm a fly: Wiktionary
2. wouldn't harm a fly: TheFreeDictionary.com

Business (1 matching dictionary)

3. wouldn't harm a fly: Legal dictionary

Computing (1 matching dictionary)

4. wouldn't harm a fly: Encyclopedia

Medicine (1 matching dictionary)

5. wouldn't harm a fly: Medical dictionary

Miscellaneous (1 matching dictionary)

6. wouldn't harm a fly: Idioms

Definitions from Wiktionary (wouldn't harm a fly) ▸ verb:  Synonym of wouldn't hurt a fly ▸ Words similar to wouldn't harm a fly ▸ Usage examples for wouldn't harm a fly ▸ Idioms related to wouldn't harm a fly ▸ Wikipedia articles (New!) ▸ Words that often appear near wouldn't harm a fly ▸ Rhymes of wouldn't harm a fly ▸ Invented words related to wouldn't harm a fly