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

Examples of one-way in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Alix Williams, 27, of Birmingham takes a train and two subway lines — a trip of more than 100 miles one-way — to her office in London three days a week, per SWNS. Toria Sheffield, PEOPLE, 28 Sep. 2025 In celebration of all of the new routes, Breeze is offering one-way promotional fares from $99 while ticket inventory lasts. Michael Cappetta, Travel + Leisure, 25 Sep. 2025 And by the way, this has never been a one-way street shaped by ugly Americanism. Ian O'Connor, New York Times, 24 Sep. 2025 The researchers also found that the relationship between us and our gut microbes isn’t one-way. New Atlas, 24 Sep. 2025 See All Example Sentences for one-way

Word History

First Known Use

1824, in the meaning defined at sense 1

Time Traveler
The first known use of one-way was in 1824

Cite this Entry

“One-way.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/one-way. Accessed 5 Oct. 2025.

Kids Definition

one-way

adjective
1
: moving or allowing movement in one direction only
2

More from Merriam-Webster on one-way

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