Bidirectional

//ˌbaɪ.dɪˈɹɛk.ʃə.nəl/ adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Such an antenna or microphone
Adjective
  1. 1
    Moving in two directions (usually opposite). not-comparable
  2. 2
    Operating or functioning in two directions (usually opposite). not-comparable

    "However, statistical modelling paints a different picture. We found that the influence of mental health and ideology on harmful attitudes and beliefs was two-and-a-half times stronger than networking. We also found that mental health and ideology shared a potential bidirectional relationship, with poor mental health causing greater buy-in to ideology and vice versa."

Adjective
  1. 1
    reactive or functioning or allowing movement in two usually opposite directions wordnet

Synonyms

All synonyms
bifacialduplextwo way

Example

More examples

"Compare unidirectional mass media such as radio and television with bidirectional ones such as correspondence and the Internet."

Etymology

From bi- + directional.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.