two-way

American  

[too-wey] / ˈtuˈweɪ /

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.

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two-way British  

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

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Etymology

Origin of two-way

First recorded in 1565–75

Example Sentences

"Crucially, these new quantum algorithms can enable the development of new quantum materials to build new paradigms of quantum computers, creating a productive two-way feedback loop between quantum materials and quantum computers," he explains.

From Science Daily • May 13, 2026

Slow starts by France against Italy and Ireland will again make England heavy favourites to secure a fifth Grand Slam in a row, if it is a two-way battle for that prize next week.

From BBC • May 9, 2026

The move upends a period of relative calm in economic relations between the U.S. and EU, whose annual two-way trade relationship is worth roughly $1.5 trillion.

From The Wall Street Journal • May 6, 2026

In a two-way data center revenue race between the companies, Intel held a 71% share in 2021, which dwindled to 7% last year.

From Barron's • Apr. 23, 2026

If you belong to a group of twenty people, however, there are now 190 two-way relationships to keep track of: 19 involving yourself and 171 involving the rest of the group.

From "The Tipping Point" by Malcolm Gladwell