You are here

  • noun
    A sudden, violent, irregular movement of a limb or of the body, caused by involuntary contraction of muscles and associated especially with brain disorders such as epilepsy, the presence of certain toxins or other agents in the blood, or fever in children.
    A violent social or political upheaval. (the convulsions of 1939–45)


We are dedicated to creating and providing free, high-quality English language learning resources.