We found 15 dictionaries that define the word by fits and starts:

General (9 matching dictionaries)

1. by fits and starts: Merriam-Webster
2. by fits and starts: Collins English Dictionary
3. by fits and starts: Vocabulary.com
4. By fits and starts, by fits and starts: Dictionary.com
5. by fits and starts: Rhymezone
6. BY FITS AND STARTS: Dictionary of Americanisms (1848)
7. by fits and starts: FreeDictionary.org
8. by fits and starts: Mnemonic Dictionary
9. by fits and starts: TheFreeDictionary.com

Business (2 matching dictionaries)

10. by fits and starts: Legal dictionary
11. by fits and starts: Financial dictionary

Computing (1 matching dictionary)

12. by fits and starts: Encyclopedia

Medicine (2 matching dictionaries)

13. by fits and starts: Merriam-Webster Medical Dictionary
14. by fits and starts: Medical dictionary

Miscellaneous (1 matching dictionary)

15. by fits and starts: Idioms

Definitions from WordNet (by fits and starts) ▸ adverb:  intermittently ("He worked on his book by fits and starts") ▸ Words similar to by fits and starts ▸ Usage examples for by fits and starts ▸ Idioms related to by fits and starts ▸ Wikipedia articles (New!) ▸ Words that often appear near by fits and starts ▸ Rhymes of by fits and starts ▸ Invented words related to by fits and starts