- 1blindside somebody to attack someone from the direction where they cannot see you coming
- 2[usually passive] blindside somebody to give someone an unpleasant surprise Just when it seemed life was going well, she was blindsided by a devastating illness.
NAmE//ˈblaɪndsaɪd//Verb Forms present simple I / you / we / they blindside
he / she / it blindsides
past simple blindsided
-ing form blindsiding