• synonyms


[kuh n-kur-uh nt, -kuhr-]
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  1. occurring or existing simultaneously or side by side: concurrent attacks by land, sea, and air.
  2. acting in conjunction; cooperating: the concurrent efforts of several legislators to pass the new law.
  3. having equal authority or jurisdiction: two concurrent courts of law.
  4. accordant or agreeing: concurrent testimony by three witnesses.
  5. tending to or intersecting at the same point: four concurrent lines.
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  1. something joint or contributory.
  2. Archaic. a rival or competitor.
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Origin of concurrent

1375–1425; late Middle English (< Middle French) < Latin concurrent- (stem of concurrēns, present participle of concurrere to run together; see concur); see con-, current
Related formscon·cur·rent·ly, adverbpre·con·cur·rent, adjectivepre·con·cur·rent·ly, adverbun·con·cur·rent, adjectiveun·con·cur·rent·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for concurrent


  1. taking place at the same time or in the same location
  2. cooperating
  3. meeting at, approaching, or having a common pointconcurrent lines
  4. having equal authority or jurisdiction
  5. in accordance or agreement; harmonious
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  1. something joint or contributory; a concurrent circumstance or cause
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Derived Formsconcurrently, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for concurrent


late 14c., from Old French concurrent or directly from Latin concurrentem (nominative concurrens), present participle of concurrere (see concur). Related: Concurrency; concurrently. Concurrent jurisdiction is recorded from 1767.

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Online Etymology Dictionary, © 2010 Douglas Harper