convulsion
noun
UK/kənˈvʌl.ʃᵊn/
US/kənˈvʌl.ʃᵊn/
Definitions of convulsion noun
- CountableUsually plural
A sudden, uncontrollable and often violent movement of the muscles in the body, typically caused by illness or certain substances.
The child began experiencing full body convulsions after developing a high fever.
A severe epileptic seizure can lead to violent convulsions.
An overdose of certain drugs can trigger convulsions.
Idioms
- be in convulsions
To laugh uncontrollably, often with bodily shaking or spasms.
• After hearing that joke, he was in convulsions of laughter, nearly shaking.