bidirectional 13 Associations

biface (similar term) bifacial (similar term) duplex (similar term) two-way (similar term) unidirectional (antonym)

directional 11 Associations

position spatial relation (related term) omnidirectional (antonym)

omnidirectional 15 Associations

position spatial relation (related term) directional (antonym)

unidirectional 14 Associations

one-way (similar term) simplex (similar term) unifacial (similar term) bidirectional (antonym)