We found 8 dictionaries that define the word in one fell swoop:

General (5 matching dictionaries)

1. in one fell swoop: Merriam-Webster
2. in one fell swoop, in one fell swoop: Oxford Learner's Dictionaries
3. in one fell swoop: Dictionary.com
4. in one fell swoop: TheFreeDictionary.com
5. in one fell swoop: Longman Dictionary of Contemporary English

Business (1 matching dictionary)

6. in one fell swoop: Legal dictionary

Computing (1 matching dictionary)

7. in one fell swoop: Encyclopedia

Miscellaneous (1 matching dictionary)

8. in one fell swoop: Idioms

Phrases: in at one fell swoop, more... ▸ Words similar to in one fell swoop ▸ Usage examples for in one fell swoop ▸ Idioms related to in one fell swoop ▸ Wikipedia articles (New!) ▸ Words that often appear near in one fell swoop ▸ Rhymes of in one fell swoop ▸ Invented words related to in one fell swoop