[uh-kur-uhns, uh-kuhr-]
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  1. the action, fact, or instance of occurring.
  2. something that happens; event; incident: We were delayed by several unexpected occurrences.

Origin of occurrence

1530–40; occurr(ent) + -ence; compare Medieval Latin occurrentia
Related formsoc·cur·rent, adjectivepre·oc·cur·rence, nounre·oc·cur·rence, noun

Synonyms for occurrence

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for reoccurrence


  1. something that occurs; a happening; event
  2. the act or an instance of occurringa crime of frequent occurrence
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 reoccurrence

also re-occurrence, 1804, from re- "again" + occurrence.



1530s, from Middle French occurrence "unexpected happening" or directly from Medieval Latin occurrentia, from Latin occurentem (nominative occurens), present participle of occurrere (see occur).

Online Etymology Dictionary, © 2010 Douglas Harper