Dictionary.com
definitions
  • synonyms

convulsion

[kuh n-vuhl-shuh n]
See more synonyms on Thesaurus.com
noun
  1. contortion of the body caused by violent, involuntary muscular contractions of the extremities, trunk, and head.
  2. violent agitation or disturbance; commotion.
  3. an outburst of great, uncontrollable laughter.

Origin of convulsion

First recorded in 1575–85, convulsion is from the Latin word convulsiōn- (stem of convulsiō). See convulse, -ion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for convulsions

Contemporary Examples

Historical Examples


British Dictionary definitions for convulsions

convulsion

noun
  1. a violent involuntary contraction of a muscle or muscles
  2. a violent upheaval, disturbance, or agitation, esp a social one
  3. (usually plural) informal uncontrollable laughterI was in convulsions
Derived Formsconvulsionary, adjective
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 convulsions

convulsion

n.

1580s, from Latin convulsionem (nominative convulsio), noun of action from past participle stem of convellere "to tear loose," from com- "together" (see com-) + vellere "to pluck, pull violently."

Online Etymology Dictionary, © 2010 Douglas Harper

convulsions in Medicine

convulsion

(kən-vŭlshən)
n.
  1. An intense, paroxysmal, involuntary muscular contraction or a series of such contractions.seizure
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

convulsions in Culture

convulsion

A severe, often violent involuntary contraction of the muscles. Convulsions may be caused by high fevers or poisoning and often accompany such diseases such as epilepsy.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.