convulse

[ kuhn-vuhls ]
/ kənˈvʌls /

verb (used with object), con·vulsed, con·vuls·ing.

to shake violently; agitate.
to cause to shake violently with laughter, anger, pain, etc.
to cause to suffer violent, spasmodic contractions of the muscles.

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Origin of convulse

First recorded in 1635–45; from Latin convulsus, past participle of convellere “to shatter, tear loose,” equivalent to con- intensive prefix + vul- (variant stem of vellere “to pull, tear”) + -sus, variant of -tus past participle suffix; see con-

OTHER WORDS FROM convulse

con·vuls·ed·ly, adverbcon·vuls·i·ble, adjectivecon·vuls·i·bil·i·ty, nounun·con·vulsed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for convulse

British Dictionary definitions for convulse

convulse
/ (kənˈvʌls) /

verb

(tr) to shake or agitate violently
(tr) to cause (muscles) to undergo violent spasms or contractions
(intr often foll by with) informal to shake or be overcome (with violent emotion, esp laughter)
(tr) to disrupt the normal running of (a country, etc)student riots have convulsed India

Derived forms of convulse

convulsive, adjectiveconvulsively, adverbconvulsiveness, noun

Word Origin for convulse

C17: from Latin convulsus, from convellere to tear up, from vellere to pluck, pull
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

Medical definitions for convulse

convulse
[ kən-vŭls ]

v.

To affect or be affected with irregular and involuntary muscular contractions; throw or be thrown into convulsions.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.