convulsˈant noun and adjective

(an agent, esp a drug) causing convulsions

convulˈsible adjective

Subject to convulsion

convulˈsion noun

1. Any violent involuntary contraction of the voluntary muscles of the body
2. Any violent disturbance
3. (in pl) fits of uncontrollable laughter (informal)

convulˈsional or convulˈsionary adjective

Relating to convulsions

convulˈsionary noun

A person who has convulsions, esp one of a fanatical sect of Jansenists in 18c France

convulˈsionist noun

1. A religious convulsionary
2. A believer in the importance of convulsions in geological history, opp to uniformitarian

convulsˈive adjective

1. Causing or affected with convulsions
2. Spasmodic

convulsˈively adverb

convulsˈiveness noun