Antonyms of adj one-way

1 sense of one-way

Sense 1
one-way -- (moving or permitting movement in one direction only; "one-way streets"; "a one-way ticket")

INDIRECT (VIA unidirectional) -> bidirectional -- (reactive or functioning or allowing movement in two usually opposite directions)

Similarity of adj one-way

1 sense of one-way

Sense 1
one-way -- (moving or permitting movement in one direction only; "one-way streets"; "a one-way ticket")
       => unidirectional (vs. bidirectional) -- (operating or moving or allowing movement in one direction only; "a unidirectional flow"; "a unidirectional antenna"; "a unidirectional approach to a problem")