two-way

[too-wey]

adjective

1. providing for or allowing movement in opposite directions, or both to and from a place.

   two-way traffic.

2. allowing or entailing communication or exchange between two persons, groups, countries, etc.

3. involving two parties or participants, as a relationship or agreement; two-sided.

   a two-way race for the nomination.

4. entailing responsibilities, obligations, etc., on both such parties.

5. capable of both receiving and sending signals.

   a two-way radio.

6. capable of being used in two ways.

two-way

adjective

1. moving, permitting movement, or operating in either of two opposite directions

   two-way traffic

   a two-way valve

2. involving two participants

   a two-way agreement

3. involving reciprocal obligation or mutual action

   a two-way process

4. (of a radio, telephone, etc) allowing communications in two directions using both transmitting and receiving equipment

Word History and Origins

Origin of two-way¹

First recorded in 1565–75