one-way
Americanadjective
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moving, or allowing movement in one direction only.
a one-way street.
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valid for travel in one direction only.
a one-way ticket.
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without a reciprocal feeling, responsibility, relationship, etc..
It's a one-way friendship.
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not intended for return to a seller, dealer, etc., for reuse; disposable.
one-way bottles.
adjective
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moving or allowing travel in one direction only
one-way traffic
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entailing no reciprocal obligation, action, etc
a one-way agreement
Etymology
Origin of one-way
First recorded in 1815–25
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Last year, he welcomed more than 300 visitors during the Theodore Payne Native Plant Garden Tour and had to set up a one-way path through the garden to help manage the crowd.
From Los Angeles Times • Mar. 30, 2026
Hertz has leaned into this newfound demand, offering 25% discounts on one-way and last-minute rentals.
From Barron's • Mar. 27, 2026
“Everyone will have their own views on inflation and deflation, but I don’t think it will be a one-way street,” said Hu of WinShore Capital.
From MarketWatch • Mar. 26, 2026
Heading out of the set-up and good graces of Galthie can be a one-way trip.
From BBC • Mar. 13, 2026
He stares so long I find myself casting furtive glances at the one-way glass, hoping for some direction from Haymitch, but my earpiece stays silent.
From "Mockingjay" by Suzanne Collins
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.