Dictionary

one–way

adjective

: moving in or allowing movement in only one direction

: allowing travel to a place but not back from the place

: able to receive signals but not to send signals

Full Definition of ONE-WAY

1
:  that moves in or allows movement in only one direction <a one–way street>
2
:  one-sided, unilateral <a one–way conversation>
3
:  that functions in only one of two or more ways

First Known Use of ONE-WAY

1824

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