Definition of look through
1
: to read or briefly examine some of the pages of (a book, magazine, etc.)
- She was looking through a magazine as she waited in the doctor's office.
2
: to look at the different parts of (a collection or group of things)
- I looked through all his letters.
3
: to place one's eyes so as to see through (something)
- look through a telescope
4
: to pretend not to see or recognize (someone) in a rude or unfriendly way
- We used to be best friends but when she passed me on the street yesterday she looked (right/straight) through me without even saying hello!
