one-way

Definition

Allowing movement, vision, etc. in only one direction; unidirectional.

Etymology

From one + way. First attested in 1906 in reference to one-way tickets; 1914 in reference to one-way streets; 1940 in reference to one-way mirrors.

Example Sentences

• "one-way mirror"
• "The town centre is now a system of one-way streets."
• "Traditional feedback collection through pen-and-paper questionnaires and oral reports usually only supplies one-way feedback, from student to teacher."