• (British, Aus, New Zealand) IPA: /kəŋˈkʌɹənt/, /kɒŋˈkʌɹənt/
  • (America, Canada) IPA: /kəŋˈkɝɹənt/


  1. Happening at the same time; simultaneous.
    • 1865, John Tyndall, On Radiation, in Fragments of Science for Unscientific People, page 171-2 ↗
      Such are the changes which science recognizes in the wire itself, as concurrent with the visual changes taking place in the eye.
  2. Belonging to the same period; contemporary.
  3. Acting in conjunction; agreeing in the same act or opinion; contributing to the same event or effect.
    • I join with these laws the personal presence of the king's son, as a concurrent cause of this reformation.
    • the concurrent testimony of antiquity
  4. Joint and equal in authority; taking cognizance of similar questions; operating on the same objects.
    the concurrent jurisdiction of courts
  5. (geometry) Meeting in one point.
  6. Running alongside one another on parallel courses; moving together in space.
  7. (computing) Involving more than one thread of computation.
Translations Translations Translations Noun

concurrent (plural concurrents)

  1. One who, or that which, concurs; a joint or contributory cause.
    • To all affairs of importance there are three necessary concurrents […] time, industry, and faculties.
  2. One pursuing the same course, or seeking the same objects; hence, a rival; an opponent.
    • Menander […] had no concurrent in his time that came near unto him.
  3. One of the supernumerary days of the year over fifty-two complete weeks; so called because they concur with the solar cycle, the course of which they follow.
  4. One who accompanies a sheriff's officer as witness.

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