We found 7 dictionaries that define the word blind sides:

General (6 matching dictionaries)

1. blind sides: Merriam-Webster
2. blind-sides, blind-sides, blind sides: Collins English Dictionary
3. blind sides: Vocabulary.com
4. blind-sides: Wiktionary
5. blind-sides: Dictionary.com
6. blind-sides: TheFreeDictionary.com

Medicine (1 matching dictionary)

7. blind sides: Merriam-Webster Medical Dictionary

(Note: See blind_side as well.)

Definitions from WordNet (blind side) ▸ noun:  the side on which your vision is limited or obstructed ▸ Also see blind_side ▸ Words similar to blind sides ▸ Usage examples for blind sides ▸ Idioms related to blind sides ▸ Wikipedia articles (New!) ▸ Words that often appear near blind sides ▸ Rhymes of blind sides ▸ Invented words related to blind sides