• synonyms


[kuh n-kuhs]
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verb (used with object)
  1. to injure by concussion: He was mildly concussed by the falling books.
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Origin of concuss

1590–1600; < Latin concussus, past participle of concutere, equivalent to con- con- + -cut-, combining form of quat-, stem of quatere to shake + -tus past participle ending
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for concuss

Historical Examples

  • When I concuss the limb here, the foot will kick forward involuntarily.

    Yellowstone Nights

    Herbert Quick

  • He had returned to terms of friendship with Romanel, with a view to concuss the whole city, with no one to interpose.

British Dictionary definitions for concuss


verb (tr)
  1. to injure (the brain) by a violent blow, fall, etc
  2. to shake violently; agitate; disturb
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Word Origin

C16: from Latin concussus violently shaken, from concutere to disturb greatly, from quatere to shake
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 concuss


1590s, "to shake violently," from Latin concuss-, past participle stem of concutere "to dash together, shake violently" (see concussion). Meaning "to give a concussion to the brain" is from 1680s. Related: Concussed; concussing; concussive.

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Online Etymology Dictionary, © 2010 Douglas Harper