one-way street

noun
UK /ˌwʌn weɪ ˈstriːt/
US /ˌwʌn weɪ ˈstriːt/

A road where cars can only drive in one direction.

The taxi drove down a one-way street to reach the station faster.


OTHER MEANINGS

2. A situation where help or effort goes only one way and is not returned.

Their friendship became a one-way street, with him always giving and never receiving.

3. A course of action that cannot be reversed once started.

Signing that contract was a one-way street; there was no going back.

4. A relationship or arrangement in which only one side benefits or communicates.

Communication in the team was a one-way street, with orders flowing down but no feedback coming up.