Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Happening, existing, or done at the same time as something else: synonym: contemporary.
  • adjective Meeting or tending to meet at the same point; convergent.
  • adjective Being in accordance; harmonious.

from The Century Dictionary.

  • Meeting in a point; passing through a common point.
  • Concurring, or acting in conjunction; agreeing in the same act; contributing to the same event or effect; operating with; coincident.
  • Conjoined; joint; concomitant; cördinate; combined.
  • noun One who concurs; one agreeing with or like another in opinion, action, occupation, etc.
  • noun In English law, specifically, one who accompanies a sheriff's officer as witness or assistant.
  • noun That which concurs; a joint or contributory thing.
  • noun One having an equal claim or joint right.
  • noun A rival claimant or opponent; a competitor.
  • noun The day, or in the case of leap-year the two days, required to be added to fifty-two weeks to make the civil year correspond with the solar: so called because they concur with the solar cycle, whose course they follow.

from the GNU version of the Collaborative International Dictionary of English.

  • noun One who, or that which, concurs; a joint or contributory cause.
  • noun One pursuing the same course, or seeking the same objects; hence, a rival; an opponent.
  • noun (Chron.) 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.
  • adjective Acting in conjunction; agreeing in the same act or opinion; contributing to the same event or effect; coöperating.
  • adjective Conjoined; associate; concomitant; existing or happening at the same time.
  • adjective Joint and equal in authority; taking cognizance of similar questions; operating on the same objects.
  • adjective (Geom.) Meeting in one point.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Happening at the same time; simultaneous.
  • adjective Belonging to the same period; contemporary.
  • adjective Running alongside one another on parallel courses; moving together in space.
  • adjective computing Involving more than one thread of computation.
  • noun One who, or that which, concurs; a joint or contributory cause.
  • noun One pursuing the same course, or seeking the same objects; hence, a rival; an opponent.
  • noun 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.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective occurring or operating at the same time

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English, from Latin concurrēns, concurrent-, present participle of concurrere, to coincide; see concur.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Middle English, from Latin concurrēns, present active participle of concurrō ("happen at the same time"), from con ("with") + currō ("run")

Examples

  • One way of speeding things up, being pioneered by Coram, is what it calls "concurrent planning".

    Telegraph.co.uk - Telegraph online, Daily Telegraph and Sunday Telegraph

  • It was simply a clerical error in terms of putting the word "concurrent" in the order, in the sentence before it said that she shall serve it upon release.

    Breaking News: CBS News

  • It's what we call our concurrent users or CCU, for short.

    WarCry Network : Latest News

  • It's what we call our concurrent users or CCU, for short.

    WarCry Network : Latest News

  • It's what we call our concurrent users or CCU, for short.

    Computer And Video Games

  • It's what we call our concurrent users or CCU, for short.

    WarCry Network : Latest News

  • But apparently the FTC would have backup authority for the things over which it currently has jurisdiction, and would retain concurrent authority over fraud in things like credit repair and foreclosure rescue.

    Archive 2009-06-01

  • In addition, in concurrent studies she is evaluating other aspects of sleep-disordered breathing, including diagnostic techniques and treatment, with an emphasis on noninvasive ventilation.

    Sleep disorders research

  • NASA funding would be adequate to engage in concurrent engineering for our new systems and programs if the people knew the potential impact of not rapidly developing our capabilities and understanding of the space environment.

    Alan Stern on NASA's Cost Increase Problems - NASA Watch

  • And, I'd argue that without as many huge names competing in concurrent sessions, attendees will try more new authors than they would if they were intent on seeing their big-draw favorites.

    July 2006

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