- 1[only before noun] through traffic travels from one side of a place to the other without stopping
- 2[only before noun] a through train takes you to the final place you want to get to and you do not have to get off and get on another train
- 3 [only before noun] a through road or route is open at both ends and allows traffic to travel from one end to the other The town lies on a busy through road. No through road (= the road is closed at one end).
- 4 [not before noun] through (with something/somebody) used to show that you have finished using something or have ended a relationship with someone Are you through with that newspaper? Todd and I are through.