Definition of "one-way" in English

adjective

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

   • one-way mirror
   • The town centre is now a system of one-way streets.

2. Allowing travel in only one direction.

   • I bought a one-way ticket to Leeds.

3. (computer science) Of a function: easy to compute for every input, but hard to invert given the image of a random input.

verb

1. (agriculture) To use a disc harrow to turn the soil and kill weeds, in preparation for planting seeds.