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bidirectional

Definitions of bidirectional
  1. adjective
    reactive or functioning or allowing movement in two usually opposite directions
    Synonyms:
    biface, bifacial
    having two faces or fronts
    duplex
    allowing communication in opposite directions simultaneously
    two-way
    operating or permitting operation in either of two opposite directions
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    Antonyms:
    unidirectional
    operating or moving or allowing movement in one direction only
    one-way
    moving or permitting movement in one direction only
    simplex
    allowing communication in only one direction at a time, or in telegraphy allowing only one message over a line at a time
    unifacial
    having but one principal or specialized surface
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