Definition from Wiktionary, the free dictionary
- To gaze through a gap or aperture
- He looked through the binoculars at the bird.
- To search, either with the eyes or by hand
- Airport security looked through her purse and confiscated her nail scissors.
- (idiomatic, with "right") To pretend not to see something or someone who is clearly visible
- I tried to get Michele's attention at the party, but she looked right through me!