Oxford Dictionary English

    one-way

    adjective
    adjective
    BrE BrE//ˌwʌn ˈweɪ//
    ; NAmE NAmE//ˌwʌn ˈweɪ//
    [usually before noun] Train and bus travel
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  1. 1moving or allowing movement in only one direction one-way traffic a one-way street a one-way valve
  2. 2(especially North American English) (British English also single) a one-way ticket, etc. can be used for travelling to a place but not back again a one-way trip I took the car on a one-way trip to the wrecker's yard (= it did not come back because it was not worth fixing). compare return (7) See related entries: Train and bus travel
  3. 3operating in only one direction Theirs was a one-way relationship (= one person made all the effort). They observed the prisoners through a one-way mirror (= a mirror that allows a person standing behind it to see through it).
See one-way in the Oxford Learner's Dictionary of Academic EnglishSee one-way in the Oxford Advanced American Dictionary
Check pronunciation: one-way
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