Unidirectional

//ˌjuː.nɪ.dɪˈɹɛk.ʃə.nəl/ adj, noun

adj, noun ·Uncommon ·College level

Definitions

Noun
  1. 1
    A fabric in which the majority of fibers run in the same single direction.
Adjective
  1. 1
    Pertaining to only one direction, e.g.: where all component parts are aligned in the same direction in space. not-comparable

    "[...] a reversible booster was fitted to the trailing bogie; all previous applications on the L.N.E.R. for use in main line traffic had been of unidirectional boosters, […]"

  2. 2
    Not subject to change or reversal of direction. not-comparable
Adjective
  1. 1
    operating or moving or allowing movement in one direction only wordnet

Synonyms

All synonyms
directimmediateirreversiblemonadalmonadicone piece

Example

More examples

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

Etymology

From uni- + directional.

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