Definition of One-way

Babylon English Dictionary
going in a single direction
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One-way Definition from Business & Finance Dictionaries & Glossaries
Raynet Business & Marketing Glossary
the realistion that with most advertising media there is no immediate response; a problem as it becomes problematic about the audience reaction to the ad.
Copyright © 2001, Ray Wright
One-way Definition from Language, Idioms & Slang Dictionaries & Glossaries
WordNet 2.0

Adjective
1. moving or permitting movement in one direction only; "one-way streets"; "a one-way ticket"
(similar) unidirectional