We found 6 dictionaries that define the word knocks for a loop:

General (2 matching dictionaries)

1. knocks for a loop: Merriam-Webster
2. knocks for a loop: TheFreeDictionary.com

Business (1 matching dictionary)

3. knocks for a loop: Legal dictionary

Computing (1 matching dictionary)

4. knocks for a loop: Encyclopedia

Medicine (1 matching dictionary)

5. knocks for a loop: Medical dictionary

Miscellaneous (1 matching dictionary)

6. knocks for a loop: Idioms

▸ Words similar to knocks for a loop ▸ Usage examples for knocks for a loop ▸ Idioms related to knocks for a loop ▸ Wikipedia articles (New!) ▸ Words that often appear near knocks for a loop ▸ Rhymes of knocks for a loop ▸ Invented words related to knocks for a loop