- 1moving in two different directions; allowing something to move in two different directions two-way traffic two-way trade a two-way switch (= that allows electric current to be turned on or off from either of two points)
- 2 (of communication between people) needing equal effort from both people or groups involved Friendship is a two-way process. a two-way exchange of information Learning is a two-way street. What lessons have you learned from students?
- 3(of radio equipment, etc.) used both for sending and receiving signals a two-way radio
[usually before noun]