- contortion of the body caused by violent, involuntary muscular contractions of the extremities, trunk, and head.
- violent agitation or disturbance; commotion.
- an outburst of great, uncontrollable laughter.
Origin of convulsion
Examples from the Web for convulsion
The forest fairly rocked under the convulsion of the elements.In the Valley
The schooner shook with such a convulsion that I was persuaded she had been split.The Frozen Pirate
W. Clark Russell
There are recent marks of convulsion having happened in the island.Voyage of H.M.S. Pandora
That which will produce but a headache in an adult will often produce a convulsion in the child.The Mother and Her Child
William S. Sadler
For hours the child passed from one convulsion into another.The Secret of the Storm Country
Grace Miller White
- a violent involuntary contraction of a muscle or muscles
- a violent upheaval, disturbance, or agitation, esp a social one
- (usually plural) informal uncontrollable laughterI was in convulsions
Word Origin and History for convulsion
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."
- An intense, paroxysmal, involuntary muscular contraction or a series of such contractions.seizure
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.