Dictionary.com
Thesaurus.com
Synonyms

coincide

American  
[koh-in-sahyd] / ˌkoʊ ɪnˈsaɪd /

verb (used without object)

coincided, coinciding
  1. to occupy the same place in space, the same point or period in time, or the same relative position.

    The centers of concentric circles coincide. Our vacations coincided this year.

  2. to correspond exactly, as in nature, character, etc..

    His vocation coincides with his avocation.

  3. to agree or concur, as in thought or opinion.

    Their opinions always coincide.

    Synonyms:
    square, jibe, tally, match, correspond, accord
    Antonyms:
    contradict, differ

coincide British  
/ ˌkəʊɪnˈsaɪd /

verb

  1. to occur or exist simultaneously

  2. to be identical in nature, character, etc

  3. to agree

"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

Other Word Forms

  • uncoincided adjective
  • uncoinciding adjective

Etymology

Origin of coincide

First recorded in 1635–45; from Medieval Latin coincidere, from Latin co- co- + incidere “to fall upon, befall” ( incident )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Over the past decade, this event coincided with disease, geopolitical hostility and even the occasional threat of nuclear war.

From The Wall Street Journal

After poor sleep, the brain tries to compensate during wakefulness, triggering pulses of fluid that coincide with sharp reductions in attention, according to a recent study published in Nature Neuroscience.

From The Wall Street Journal

He said the drone attacks there decreased by as much as 15% after Starlink was cut off, which coincided with weather changes and a regrouping of Russian forces in the south.

From The Wall Street Journal

“The earlier decline coincided with broader market jitters and was likely amplified by margin calls, algorithmic trading, and profit-taking.”

From The Wall Street Journal

In December, the Department of Fish and Wildlife — tasked with advising the commission on policy decisions — recommended granting threatened species status to lions in an area that mostly coincided with what the petitioners had requested.

From Los Angeles Times